157220375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3121}}^1$

素因数の和:3180

約数の個数: 32

約数和(自身を含む): 218190336

約数和(自身を除く): 60969961

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 775, 1625, 2015, 3121, 3875, 10075, 15605, 40573, 50375, 78025, 96751, 202865, 390125, 483755, 1014325, 1257763, 2418775, 5071625, 6288815, 12093875, 31444075, 157220375]

約数ペア:

[(1, 157220375), (5, 31444075), (13, 12093875), (25, 6288815), (31, 5071625), (65, 2418775), (125, 1257763), (155, 1014325), (325, 483755), (403, 390125), (775, 202865), (1625, 96751), (2015, 78025), (3121, 50375), (3875, 40573), (10075, 15605)]