128450470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{3581}}^1$

素因数の和:3816

約数の個数: 32

約数和(自身を含む): 246040416

約数和(自身を除く): 117589946

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 211, 422, 1055, 2110, 3581, 3587, 7162, 7174, 17905, 17935, 35810, 35870, 60877, 121754, 304385, 608770, 755591, 1511182, 3777955, 7555910, 12845047, 25690094, 64225235, 128450470]

約数ペア:

[(1, 128450470), (2, 64225235), (5, 25690094), (10, 12845047), (17, 7555910), (34, 3777955), (85, 1511182), (170, 755591), (211, 608770), (422, 304385), (1055, 121754), (2110, 60877), (3581, 35870), (3587, 35810), (7162, 17935), (7174, 17905)]