645291406

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{30661}}^1$

素因数の和:31299

約数の個数: 16

約数和(自身を含む): 1026563760

約数和(自身を除く): 381272354

約数列:

[1, 2, 17, 34, 619, 1238, 10523, 21046, 30661, 61322, 521237, 1042474, 18979159, 37958318, 322645703, 645291406]

約数ペア:

[(1, 645291406), (2, 322645703), (17, 37958318), (34, 18979159), (619, 1042474), (1238, 521237), (10523, 61322), (21046, 30661)]