681497278

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4425307}}^1$

素因数の和:4425327

約数の個数: 16

約数和(自身を含む): 1274488704

約数和(自身を除く): 592991426

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 4425307, 8850614, 30977149, 48678377, 61954298, 97356754, 340748639, 681497278]

約数ペア:

[(1, 681497278), (2, 340748639), (7, 97356754), (11, 61954298), (14, 48678377), (22, 30977149), (77, 8850614), (154, 4425307)]