645430196908

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{175962431}}^1$

素因数の和:175962573

約数の個数: 24

約数和(自身を含む): 1300714297344

約数和(自身を除く): 655284100436

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 175962431, 351924862, 703849724, 1231737017, 2463474034, 4926948068, 23051078461, 46102156922, 92204313844, 161357549227, 322715098454, 645430196908]

約数ペア:

[(1, 645430196908), (2, 322715098454), (4, 161357549227), (7, 92204313844), (14, 46102156922), (28, 23051078461), (131, 4926948068), (262, 2463474034), (524, 1231737017), (917, 703849724), (1834, 351924862), (3668, 175962431)]