28058875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 38997504

約数和(自身を除く): 10938629

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 557, 775, 1625, 2015, 2785, 3875, 7241, 10075, 13925, 17267, 36205, 50375, 69625, 86335, 181025, 224471, 431675, 905125, 1122355, 2158375, 5611775, 28058875]

約数ペア:

[(1, 28058875), (5, 5611775), (13, 2158375), (25, 1122355), (31, 905125), (65, 431675), (125, 224471), (155, 181025), (325, 86335), (403, 69625), (557, 50375), (775, 36205), (1625, 17267), (2015, 13925), (2785, 10075), (3875, 7241)]