87539575

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 111399120

約数和(自身を除く): 23859545

約数列:

[1, 5, 25, 61, 137, 305, 419, 685, 1525, 2095, 3425, 8357, 10475, 25559, 41785, 57403, 127795, 208925, 287015, 638975, 1435075, 3501583, 17507915, 87539575]

約数ペア:

[(1, 87539575), (5, 17507915), (25, 3501583), (61, 1435075), (137, 638975), (305, 287015), (419, 208925), (685, 127795), (1525, 57403), (2095, 41785), (3425, 25559), (8357, 10475)]