28856751

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2357}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 48895488

約数和(自身を除く): 20038737

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 2357, 4081, 7071, 12243, 16499, 25927, 49497, 77781, 124921, 181489, 374763, 544467, 874447, 1374131, 2623341, 4122393, 9618917, 28856751]

約数ペア:

[(1, 28856751), (3, 9618917), (7, 4122393), (11, 2623341), (21, 1374131), (33, 874447), (53, 544467), (77, 374763), (159, 181489), (231, 124921), (371, 77781), (583, 49497), (1113, 25927), (1749, 16499), (2357, 12243), (4081, 7071)]