637171888

素因数分解:

$2^4\times {\mathrm{3217}}^1\times {\mathrm{12379}}^1$

素因数の和:15604

約数の個数: 20

約数和(自身を含む): 1235004040

約数和(自身を除く): 597832152

約数列:

[1, 2, 4, 8, 16, 3217, 6434, 12379, 12868, 24758, 25736, 49516, 51472, 99032, 198064, 39823243, 79646486, 159292972, 318585944, 637171888]

約数ペア:

[(1, 637171888), (2, 318585944), (4, 159292972), (8, 79646486), (16, 39823243), (3217, 198064), (6434, 99032), (12379, 51472), (12868, 49516), (24758, 25736)]