72247825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 101993472

約数和(自身を除く): 29745647

約数列:

[1, 5, 13, 25, 31, 65, 71, 101, 155, 325, 355, 403, 505, 775, 923, 1313, 1775, 2015, 2201, 2525, 3131, 4615, 6565, 7171, 10075, 11005, 15655, 23075, 28613, 32825, 35855, 40703, 55025, 78275, 93223, 143065, 179275, 203515, 222301, 466115, 715325, 1017575, 1111505, 2330575, 2889913, 5557525, 14449565, 72247825]

約数ペア:

[(1, 72247825), (5, 14449565), (13, 5557525), (25, 2889913), (31, 2330575), (65, 1111505), (71, 1017575), (101, 715325), (155, 466115), (325, 222301), (355, 203515), (403, 179275), (505, 143065), (775, 93223), (923, 78275), (1313, 55025), (1775, 40703), (2015, 35855), (2201, 32825), (2525, 28613), (3131, 23075), (4615, 15655), (6565, 11005), (7171, 10075)]