72021904

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{104683}}^1$

素因数の和:104734

約数の個数: 20

約数和(自身を含む): 142788976

約数和(自身を除く): 70767072

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 104683, 209366, 418732, 837464, 1674928, 4501369, 9002738, 18005476, 36010952, 72021904]

約数ペア:

[(1, 72021904), (2, 36010952), (4, 18005476), (8, 9002738), (16, 4501369), (43, 1674928), (86, 837464), (172, 418732), (344, 209366), (688, 104683)]