81691696

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{164701}}^1$

素因数の和:164740

約数の個数: 20

約数和(自身を含む): 163384384

約数和(自身を除く): 81692688

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 164701, 329402, 658804, 1317608, 2635216, 5105731, 10211462, 20422924, 40845848, 81691696]

約数ペア:

[(1, 81691696), (2, 40845848), (4, 20422924), (8, 10211462), (16, 5105731), (31, 2635216), (62, 1317608), (124, 658804), (248, 329402), (496, 164701)]