161931502078

素因数分解:

$2^1\times {\mathrm{271}}^1\times {\mathrm{4463}}^1\times {\mathrm{66943}}^1$

素因数の和:71679

約数の個数: 16

約数和(自身を含む): 243851821056

約数和(自身を除く): 81920318978

約数列:

[1, 2, 271, 542, 4463, 8926, 66943, 133886, 1209473, 2418946, 18141553, 36283106, 298766609, 597533218, 80965751039, 161931502078]

約数ペア:

[(1, 161931502078), (2, 80965751039), (271, 597533218), (542, 298766609), (4463, 36283106), (8926, 18141553), (66943, 2418946), (133886, 1209473)]