156768625

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 218220912

約数和(自身を除く): 61452287

約数列:

[1, 5, 13, 25, 41, 65, 125, 169, 181, 205, 325, 533, 845, 905, 1025, 1625, 2353, 2665, 4225, 4525, 5125, 6929, 7421, 11765, 13325, 21125, 22625, 30589, 34645, 37105, 58825, 66625, 96473, 152945, 173225, 185525, 294125, 482365, 764725, 866125, 927625, 1254149, 2411825, 3823625, 6270745, 12059125, 31353725, 156768625]

約数ペア:

[(1, 156768625), (5, 31353725), (13, 12059125), (25, 6270745), (41, 3823625), (65, 2411825), (125, 1254149), (169, 927625), (181, 866125), (205, 764725), (325, 482365), (533, 294125), (845, 185525), (905, 173225), (1025, 152945), (1625, 96473), (2353, 66625), (2665, 58825), (4225, 37105), (4525, 34645), (5125, 30589), (6929, 22625), (7421, 21125), (11765, 13325)]