1681564

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 3096576

約数和(自身を除く): 1415012

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 191, 284, 382, 764, 2201, 4402, 5921, 8804, 11842, 13561, 23684, 27122, 54244, 420391, 840782, 1681564]

約数ペア:

[(1, 1681564), (2, 840782), (4, 420391), (31, 54244), (62, 27122), (71, 23684), (124, 13561), (142, 11842), (191, 8804), (284, 5921), (382, 4402), (764, 2201)]