16664843

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 19586448

約数和(自身を除く): 2921605

約数列:

[1, 13, 19, 53, 67, 247, 361, 689, 871, 1007, 1273, 3551, 4693, 13091, 16549, 19133, 24187, 46163, 67469, 248729, 314431, 877097, 1281911, 16664843]

約数ペア:

[(1, 16664843), (13, 1281911), (19, 877097), (53, 314431), (67, 248729), (247, 67469), (361, 46163), (689, 24187), (871, 19133), (1007, 16549), (1273, 13091), (3551, 4693)]