81215524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{23311}}^1$

素因数の和:23395

約数の個数: 24

約数和(自身を含む): 155351168

約数和(自身を除く): 74135644

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 23311, 46622, 93244, 303043, 606086, 1212172, 1561837, 3123674, 6247348, 20303881, 40607762, 81215524]

約数ペア:

[(1, 81215524), (2, 40607762), (4, 20303881), (13, 6247348), (26, 3123674), (52, 1561837), (67, 1212172), (134, 606086), (268, 303043), (871, 93244), (1742, 46622), (3484, 23311)]