1977664784

素因数分解:

$2^4\times {\mathrm{1129}}^1\times {\mathrm{109481}}^1$

素因数の和:110618

約数の個数: 20

約数和(自身を含む): 3835154460

約数和(自身を除く): 1857489676

約数列:

[1, 2, 4, 8, 16, 1129, 2258, 4516, 9032, 18064, 109481, 218962, 437924, 875848, 1751696, 123604049, 247208098, 494416196, 988832392, 1977664784]

約数ペア:

[(1, 1977664784), (2, 988832392), (4, 494416196), (8, 247208098), (16, 123604049), (1129, 1751696), (2258, 875848), (4516, 437924), (9032, 218962), (18064, 109481)]