81737138

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1847}}^1$

素因数の和:1994

約数の個数: 32

約数和(自身を含む): 146361600

約数和(自身を除く): 64624462

約数列:

[1, 2, 7, 14, 29, 58, 109, 203, 218, 406, 763, 1526, 1847, 3161, 3694, 6322, 12929, 22127, 25858, 44254, 53563, 107126, 201323, 374941, 402646, 749882, 1409261, 2818522, 5838367, 11676734, 40868569, 81737138]

約数ペア:

[(1, 81737138), (2, 40868569), (7, 11676734), (14, 5838367), (29, 2818522), (58, 1409261), (109, 749882), (203, 402646), (218, 374941), (406, 201323), (763, 107126), (1526, 53563), (1847, 44254), (3161, 25858), (3694, 22127), (6322, 12929)]