251427722

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 540743040

約数和(自身を除く): 289315318

約数列:

[1, 2, 7, 13, 14, 17, 19, 26, 34, 38, 47, 49, 91, 94, 98, 119, 133, 169, 182, 221, 238, 247, 266, 323, 329, 338, 442, 494, 611, 637, 646, 658, 799, 833, 893, 931, 1183, 1222, 1274, 1547, 1598, 1666, 1729, 1786, 1862, 2261, 2303, 2366, 2873, 3094, 3211, 3458, 4199, 4277, 4522, 4606, 5593, 5746, 6251, 6422, 7943, 8281, 8398, 8554, 10387, 10829, 11186, 11609, 12103, 12502, 15181, 15827, 15886, 16562, 20111, 20774, 21658, 22477, 23218, 24206, 29393, 29939, 30362, 31654, 39151, 40222, 43757, 44954, 54587, 55601, 58786, 59878, 72709, 78302, 81263, 87514, 106267, 109174, 111202, 135031, 140777, 145418, 150917, 157339, 162526, 197353, 205751, 212534, 270062, 281554, 301834, 314678, 382109, 389207, 394706, 411502, 508963, 568841, 743869, 764218, 778414, 945217, 1017926, 1056419, 1137682, 1381471, 1487738, 1890434, 2112838, 2565589, 2674763, 2762942, 5131178, 5349526, 6616519, 7394933, 9670297, 13233038, 14789866, 17959123, 19340594, 35918246, 125713861, 251427722]

約数ペア:

[(1, 251427722), (2, 125713861), (7, 35918246), (13, 19340594), (14, 17959123), (17, 14789866), (19, 13233038), (26, 9670297), (34, 7394933), (38, 6616519), (47, 5349526), (49, 5131178), (91, 2762942), (94, 2674763), (98, 2565589), (119, 2112838), (133, 1890434), (169, 1487738), (182, 1381471), (221, 1137682), (238, 1056419), (247, 1017926), (266, 945217), (323, 778414), (329, 764218), (338, 743869), (442, 568841), (494, 508963), (611, 411502), (637, 394706), (646, 389207), (658, 382109), (799, 314678), (833, 301834), (893, 281554), (931, 270062), (1183, 212534), (1222, 205751), (1274, 197353), (1547, 162526), (1598, 157339), (1666, 150917), (1729, 145418), (1786, 140777), (1862, 135031), (2261, 111202), (2303, 109174), (2366, 106267), (2873, 87514), (3094, 81263), (3211, 78302), (3458, 72709), (4199, 59878), (4277, 58786), (4522, 55601), (4606, 54587), (5593, 44954), (5746, 43757), (6251, 40222), (6422, 39151), (7943, 31654), (8281, 30362), (8398, 29939), (8554, 29393), (10387, 24206), (10829, 23218), (11186, 22477), (11609, 21658), (12103, 20774), (12502, 20111), (15181, 16562), (15827, 15886)]