28561564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{6269}}^1$

素因数の和:6357

約数の個数: 24

約数和(自身を含む): 53721360

約数和(自身を除く): 25159796

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4556, 6269, 12538, 25076, 106573, 213146, 420023, 426292, 840046, 1680092, 7140391, 14280782, 28561564]

約数ペア:

[(1, 28561564), (2, 14280782), (4, 7140391), (17, 1680092), (34, 840046), (67, 426292), (68, 420023), (134, 213146), (268, 106573), (1139, 25076), (2278, 12538), (4556, 6269)]