156978454

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{7187}}^1$

素因数の和:7419

約数の個数: 16

約数和(自身を含む): 240481728

約数和(自身を除く): 83503274

約数列:

[1, 2, 67, 134, 163, 326, 7187, 10921, 14374, 21842, 481529, 963058, 1171481, 2342962, 78489227, 156978454]

約数ペア:

[(1, 156978454), (2, 78489227), (67, 2342962), (134, 1171481), (163, 963058), (326, 481529), (7187, 21842), (10921, 14374)]