68459728

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{51551}}^1$

素因数の和:51642

約数の個数: 20

約数和(自身を含む): 134241408

約数和(自身を除く): 65781680

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 51551, 103102, 206204, 412408, 824816, 4278733, 8557466, 17114932, 34229864, 68459728]

約数ペア:

[(1, 68459728), (2, 34229864), (4, 17114932), (8, 8557466), (16, 4278733), (83, 824816), (166, 412408), (332, 206204), (664, 103102), (1328, 51551)]