1999837775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{91841}}^1$

素因数の和:91931

約数の個数: 24

約数和(自身を含む): 2710441104

約数和(自身を除く): 710603329

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1675, 4355, 21775, 91841, 459205, 1193933, 2296025, 5969665, 6153347, 29848325, 30766735, 79993511, 153833675, 399967555, 1999837775]

約数ペア:

[(1, 1999837775), (5, 399967555), (13, 153833675), (25, 79993511), (65, 30766735), (67, 29848325), (325, 6153347), (335, 5969665), (871, 2296025), (1675, 1193933), (4355, 459205), (21775, 91841)]