78943376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{290233}}^1$

素因数の和:290258

約数の個数: 20

約数和(自身を含む): 161950572

約数和(自身を除く): 83007196

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 290233, 580466, 1160932, 2321864, 4643728, 4933961, 9867922, 19735844, 39471688, 78943376]

約数ペア:

[(1, 78943376), (2, 39471688), (4, 19735844), (8, 9867922), (16, 4933961), (17, 4643728), (34, 2321864), (68, 1160932), (136, 580466), (272, 290233)]