81663376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{300233}}^1$

素因数の和:300258

約数の個数: 20

約数和(自身を含む): 167530572

約数和(自身を除く): 85867196

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 300233, 600466, 1200932, 2401864, 4803728, 5103961, 10207922, 20415844, 40831688, 81663376]

約数ペア:

[(1, 81663376), (2, 40831688), (4, 20415844), (8, 10207922), (16, 5103961), (17, 4803728), (34, 2401864), (68, 1200932), (136, 600466), (272, 300233)]