81507686

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{1597}}^1$

素因数の和:1776

約数の個数: 24

約数和(自身を含む): 133349904

約数和(自身を除く): 51842218

約数列:

[1, 2, 13, 26, 151, 169, 302, 338, 1597, 1963, 3194, 3926, 20761, 25519, 41522, 51038, 241147, 269893, 482294, 539786, 3134911, 6269822, 40753843, 81507686]

約数ペア:

[(1, 81507686), (2, 40753843), (13, 6269822), (26, 3134911), (151, 539786), (169, 482294), (302, 269893), (338, 241147), (1597, 51038), (1963, 41522), (3194, 25519), (3926, 20761)]