123664

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 20

約数和(自身を含む): 245520

約数和(自身を除く): 121856

約数列:

[1, 2, 4, 8, 16, 59, 118, 131, 236, 262, 472, 524, 944, 1048, 2096, 7729, 15458, 30916, 61832, 123664]

約数ペア:

[(1, 123664), (2, 61832), (4, 30916), (8, 15458), (16, 7729), (59, 2096), (118, 1048), (131, 944), (236, 524), (262, 472)]