206984401

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{1489}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 243352760

約数和(自身を除く): 36368359

約数列:

[1, 13, 17, 37, 221, 289, 481, 629, 1489, 3757, 8177, 10693, 19357, 25313, 55093, 139009, 329069, 430321, 716209, 936581, 5594173, 12175553, 15921877, 206984401]

約数ペア:

[(1, 206984401), (13, 15921877), (17, 12175553), (37, 5594173), (221, 936581), (289, 716209), (481, 430321), (629, 329069), (1489, 139009), (3757, 55093), (8177, 25313), (10693, 19357)]