81177964

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{93523}}^1$

素因数の和:93565

約数の個数: 24

約数和(自身を含む): 167595008

約数和(自身を除く): 86417044

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 93523, 187046, 374092, 654661, 1309322, 2618644, 2899213, 5798426, 11596852, 20294491, 40588982, 81177964]

約数ペア:

[(1, 81177964), (2, 40588982), (4, 20294491), (7, 11596852), (14, 5798426), (28, 2899213), (31, 2618644), (62, 1309322), (124, 654661), (217, 374092), (434, 187046), (868, 93523)]