129216524

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{111779}}^1$

素因数の和:111817

約数の個数: 18

約数和(自身を含む): 240215220

約数和(自身を除く): 110998696

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 111779, 223558, 447116, 1900243, 3800486, 7600972, 32304131, 64608262, 129216524]

約数ペア:

[(1, 129216524), (2, 64608262), (4, 32304131), (17, 7600972), (34, 3800486), (68, 1900243), (289, 447116), (578, 223558), (1156, 111779)]