78878504

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 159056700

約数和(自身を除く): 80178196

約数列:

[1, 2, 4, 8, 17, 34, 68, 109, 136, 218, 289, 313, 436, 578, 626, 872, 1156, 1252, 1853, 2312, 2504, 3706, 5321, 7412, 10642, 14824, 21284, 31501, 34117, 42568, 63002, 68234, 90457, 126004, 136468, 180914, 252008, 272936, 361828, 579989, 723656, 1159978, 2319956, 4639912, 9859813, 19719626, 39439252, 78878504]

約数ペア:

[(1, 78878504), (2, 39439252), (4, 19719626), (8, 9859813), (17, 4639912), (34, 2319956), (68, 1159978), (109, 723656), (136, 579989), (218, 361828), (289, 272936), (313, 252008), (436, 180914), (578, 136468), (626, 126004), (872, 90457), (1156, 68234), (1252, 63002), (1853, 42568), (2312, 34117), (2504, 31501), (3706, 21284), (5321, 14824), (7412, 10642)]