256586148

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:271

約数の個数: 216

約数和(自身を含む): 829588032

約数和(自身を除く): 573001884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 67, 78, 84, 91, 98, 117, 126, 134, 147, 156, 167, 182, 196, 201, 234, 252, 268, 273, 294, 334, 364, 402, 441, 468, 469, 501, 546, 588, 603, 637, 668, 804, 819, 871, 882, 938, 1002, 1092, 1169, 1206, 1274, 1407, 1503, 1638, 1742, 1764, 1876, 1911, 2004, 2171, 2338, 2412, 2548, 2613, 2814, 3006, 3276, 3283, 3484, 3507, 3822, 4221, 4342, 4676, 5226, 5628, 5733, 6012, 6097, 6513, 6566, 7014, 7644, 7839, 8183, 8442, 8684, 9849, 10452, 10521, 11189, 11466, 12194, 13026, 13132, 14028, 15197, 15678, 16366, 16884, 18291, 19539, 19698, 21042, 22378, 22932, 24388, 24549, 26052, 29547, 30394, 31356, 32732, 33567, 36582, 39078, 39396, 42084, 42679, 44756, 45591, 49098, 54873, 59094, 60788, 67134, 73164, 73647, 78156, 78323, 85358, 91182, 98196, 100701, 106379, 109746, 118188, 128037, 134268, 136773, 145457, 147294, 156646, 170716, 182364, 201402, 212758, 219492, 234969, 256074, 273546, 290914, 294588, 313292, 319137, 384111, 402804, 425516, 436371, 469938, 512148, 547092, 548261, 581828, 638274, 704907, 768222, 872742, 939876, 957411, 1018199, 1096522, 1276548, 1309113, 1409814, 1536444, 1644783, 1745484, 1914822, 2036398, 2193044, 2618226, 2819628, 3054597, 3289566, 3829644, 4072796, 4934349, 5236452, 6109194, 6579132, 7127393, 9163791, 9868698, 12218388, 14254786, 18327582, 19737396, 21382179, 28509572, 36655164, 42764358, 64146537, 85528716, 128293074, 256586148]

約数ペア:

[(1, 256586148), (2, 128293074), (3, 85528716), (4, 64146537), (6, 42764358), (7, 36655164), (9, 28509572), (12, 21382179), (13, 19737396), (14, 18327582), (18, 14254786), (21, 12218388), (26, 9868698), (28, 9163791), (36, 7127393), (39, 6579132), (42, 6109194), (49, 5236452), (52, 4934349), (63, 4072796), (67, 3829644), (78, 3289566), (84, 3054597), (91, 2819628), (98, 2618226), (117, 2193044), (126, 2036398), (134, 1914822), (147, 1745484), (156, 1644783), (167, 1536444), (182, 1409814), (196, 1309113), (201, 1276548), (234, 1096522), (252, 1018199), (268, 957411), (273, 939876), (294, 872742), (334, 768222), (364, 704907), (402, 638274), (441, 581828), (468, 548261), (469, 547092), (501, 512148), (546, 469938), (588, 436371), (603, 425516), (637, 402804), (668, 384111), (804, 319137), (819, 313292), (871, 294588), (882, 290914), (938, 273546), (1002, 256074), (1092, 234969), (1169, 219492), (1206, 212758), (1274, 201402), (1407, 182364), (1503, 170716), (1638, 156646), (1742, 147294), (1764, 145457), (1876, 136773), (1911, 134268), (2004, 128037), (2171, 118188), (2338, 109746), (2412, 106379), (2548, 100701), (2613, 98196), (2814, 91182), (3006, 85358), (3276, 78323), (3283, 78156), (3484, 73647), (3507, 73164), (3822, 67134), (4221, 60788), (4342, 59094), (4676, 54873), (5226, 49098), (5628, 45591), (5733, 44756), (6012, 42679), (6097, 42084), (6513, 39396), (6566, 39078), (7014, 36582), (7644, 33567), (7839, 32732), (8183, 31356), (8442, 30394), (8684, 29547), (9849, 26052), (10452, 24549), (10521, 24388), (11189, 22932), (11466, 22378), (12194, 21042), (13026, 19698), (13132, 19539), (14028, 18291), (15197, 16884), (15678, 16366)]