2813760416

素因数分解:

$2^5\times {\mathrm{1999}}^1\times {\mathrm{43987}}^1$

素因数の和:45996

約数の個数: 24

約数和(自身を含む): 5542488000

約数和(自身を除く): 2728727584

約数列:

[1, 2, 4, 8, 16, 32, 1999, 3998, 7996, 15992, 31984, 43987, 63968, 87974, 175948, 351896, 703792, 1407584, 87930013, 175860026, 351720052, 703440104, 1406880208, 2813760416]

約数ペア:

[(1, 2813760416), (2, 1406880208), (4, 703440104), (8, 351720052), (16, 175860026), (32, 87930013), (1999, 1407584), (3998, 703792), (7996, 351896), (15992, 175948), (31984, 87974), (43987, 63968)]