31262725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 13734395

約数列:

[1, 5, 13, 25, 29, 31, 65, 107, 145, 155, 325, 377, 403, 535, 725, 775, 899, 1391, 1885, 2015, 2675, 3103, 3317, 4495, 6955, 9425, 10075, 11687, 15515, 16585, 22475, 34775, 40339, 43121, 58435, 77575, 82925, 96193, 201695, 215605, 292175, 480965, 1008475, 1078025, 1250509, 2404825, 6252545, 31262725]

約数ペア:

[(1, 31262725), (5, 6252545), (13, 2404825), (25, 1250509), (29, 1078025), (31, 1008475), (65, 480965), (107, 292175), (145, 215605), (155, 201695), (325, 96193), (377, 82925), (403, 77575), (535, 58435), (725, 43121), (775, 40339), (899, 34775), (1391, 22475), (1885, 16585), (2015, 15515), (2675, 11687), (3103, 10075), (3317, 9425), (4495, 6955)]