861962426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{625517}}^1$

素因数の和:625585

約数の個数: 16

約数和(自身を含む): 1418674824

約数和(自身を除く): 556712398

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 625517, 1251034, 8131721, 16263442, 33152401, 66304802, 430981213, 861962426]

約数ペア:

[(1, 861962426), (2, 430981213), (13, 66304802), (26, 33152401), (53, 16263442), (106, 8131721), (689, 1251034), (1378, 625517)]