389627408

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{77801}}^1$

素因数の和:78122

約数の個数: 20

約数和(自身を含む): 757324668

約数和(自身を除く): 367697260

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 5008, 77801, 155602, 311204, 622408, 1244816, 24351713, 48703426, 97406852, 194813704, 389627408]

約数ペア:

[(1, 389627408), (2, 194813704), (4, 97406852), (8, 48703426), (16, 24351713), (313, 1244816), (626, 622408), (1252, 311204), (2504, 155602), (5008, 77801)]