201985075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{719}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 265965120

約数和(自身を除く): 63980045

約数列:

[1, 5, 17, 25, 85, 425, 661, 719, 3305, 3595, 11237, 12223, 16525, 17975, 56185, 61115, 280925, 305575, 475259, 2376295, 8079403, 11881475, 40397015, 201985075]

約数ペア:

[(1, 201985075), (5, 40397015), (17, 11881475), (25, 8079403), (85, 2376295), (425, 475259), (661, 305575), (719, 280925), (3305, 61115), (3595, 56185), (11237, 17975), (12223, 16525)]