68900455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{1217}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 90940752

約数和(自身を除く): 22040297

約数列:

[1, 5, 13, 65, 67, 169, 335, 845, 871, 1217, 4355, 6085, 11323, 15821, 56615, 79105, 81539, 205673, 407695, 1028365, 1060007, 5300035, 13780091, 68900455]

約数ペア:

[(1, 68900455), (5, 13780091), (13, 5300035), (65, 1060007), (67, 1028365), (169, 407695), (335, 205673), (845, 81539), (871, 79105), (1217, 56615), (4355, 15821), (6085, 11323)]