840782

素因数分解:

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

素因数の和:295

約数の個数: 16

約数和(自身を含む): 1327104

約数和(自身を除く): 486322

約数列:

[1, 2, 31, 62, 71, 142, 191, 382, 2201, 4402, 5921, 11842, 13561, 27122, 420391, 840782]

約数ペア:

[(1, 840782), (2, 420391), (31, 27122), (62, 13561), (71, 11842), (142, 5921), (191, 4402), (382, 2201)]