215539402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{123731}}^1$

素因数の和:123813

約数の個数: 16

約数和(自身を含む): 353378592

約数和(自身を除く): 137839190

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 123731, 247462, 1608503, 3217006, 8289977, 16579954, 107769701, 215539402]

約数ペア:

[(1, 215539402), (2, 107769701), (13, 16579954), (26, 8289977), (67, 3217006), (134, 1608503), (871, 247462), (1742, 123731)]