28107331

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 33981120

約数和(自身を除く): 5873789

約数列:

[1, 7, 49, 53, 79, 137, 371, 553, 959, 2597, 3871, 4187, 6713, 7261, 10823, 29309, 50827, 75761, 205163, 355789, 530327, 573619, 4015333, 28107331]

約数ペア:

[(1, 28107331), (7, 4015333), (49, 573619), (53, 530327), (79, 355789), (137, 205163), (371, 75761), (553, 50827), (959, 29309), (2597, 10823), (3871, 7261), (4187, 6713)]