161239778

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{87917}}^1$

素因数の和:88057

約数の個数: 16

約数和(自身を含む): 278524224

約数和(自身を除く): 117284446

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 87917, 175834, 615419, 1230838, 11517127, 23034254, 80619889, 161239778]

約数ペア:

[(1, 161239778), (2, 80619889), (7, 23034254), (14, 11517127), (131, 1230838), (262, 615419), (917, 175834), (1834, 87917)]