257756772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 758188032

約数和(自身を除く): 500431260

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 67, 78, 84, 91, 134, 156, 169, 182, 201, 268, 271, 273, 338, 364, 402, 469, 507, 542, 546, 676, 804, 813, 871, 938, 1014, 1084, 1092, 1183, 1407, 1626, 1742, 1876, 1897, 2028, 2366, 2613, 2814, 3252, 3484, 3523, 3549, 3794, 4732, 5226, 5628, 5691, 6097, 7046, 7098, 7588, 10452, 10569, 11323, 11382, 12194, 14092, 14196, 18157, 18291, 21138, 22646, 22764, 24388, 24661, 33969, 36314, 36582, 42276, 45292, 45799, 49322, 54471, 67938, 72628, 73164, 73983, 79261, 91598, 98644, 108942, 127099, 135876, 137397, 147966, 158522, 183196, 217884, 236041, 237783, 254198, 274794, 295932, 317044, 320593, 381297, 472082, 475566, 508396, 549588, 641186, 708123, 762594, 944164, 951132, 961779, 1282372, 1416246, 1525188, 1652287, 1923558, 2832492, 3068533, 3304574, 3847116, 4956861, 6137066, 6609148, 9205599, 9913722, 12274132, 18411198, 19827444, 21479731, 36822396, 42959462, 64439193, 85918924, 128878386, 257756772]

約数ペア:

[(1, 257756772), (2, 128878386), (3, 85918924), (4, 64439193), (6, 42959462), (7, 36822396), (12, 21479731), (13, 19827444), (14, 18411198), (21, 12274132), (26, 9913722), (28, 9205599), (39, 6609148), (42, 6137066), (52, 4956861), (67, 3847116), (78, 3304574), (84, 3068533), (91, 2832492), (134, 1923558), (156, 1652287), (169, 1525188), (182, 1416246), (201, 1282372), (268, 961779), (271, 951132), (273, 944164), (338, 762594), (364, 708123), (402, 641186), (469, 549588), (507, 508396), (542, 475566), (546, 472082), (676, 381297), (804, 320593), (813, 317044), (871, 295932), (938, 274794), (1014, 254198), (1084, 237783), (1092, 236041), (1183, 217884), (1407, 183196), (1626, 158522), (1742, 147966), (1876, 137397), (1897, 135876), (2028, 127099), (2366, 108942), (2613, 98644), (2814, 91598), (3252, 79261), (3484, 73983), (3523, 73164), (3549, 72628), (3794, 67938), (4732, 54471), (5226, 49322), (5628, 45799), (5691, 45292), (6097, 42276), (7046, 36582), (7098, 36314), (7588, 33969), (10452, 24661), (10569, 24388), (11323, 22764), (11382, 22646), (12194, 21138), (14092, 18291), (14196, 18157)]