25390404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 69713280

約数和(自身を除く): 44322876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 227, 234, 239, 454, 468, 478, 681, 717, 908, 956, 1362, 1434, 2043, 2151, 2724, 2868, 2951, 3107, 4086, 4302, 5902, 6214, 8172, 8604, 8853, 9321, 11804, 12428, 17706, 18642, 26559, 27963, 35412, 37284, 53118, 54253, 55926, 106236, 108506, 111852, 162759, 217012, 325518, 488277, 651036, 705289, 976554, 1410578, 1953108, 2115867, 2821156, 4231734, 6347601, 8463468, 12695202, 25390404]

約数ペア:

[(1, 25390404), (2, 12695202), (3, 8463468), (4, 6347601), (6, 4231734), (9, 2821156), (12, 2115867), (13, 1953108), (18, 1410578), (26, 976554), (36, 705289), (39, 651036), (52, 488277), (78, 325518), (117, 217012), (156, 162759), (227, 111852), (234, 108506), (239, 106236), (454, 55926), (468, 54253), (478, 53118), (681, 37284), (717, 35412), (908, 27963), (956, 26559), (1362, 18642), (1434, 17706), (2043, 12428), (2151, 11804), (2724, 9321), (2868, 8853), (2951, 8604), (3107, 8172), (4086, 6214), (4302, 5902)]