1661565355

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{8263}}^1$

素因数の和:8706

約数の個数: 16

約数和(自身を含む): 2015887104

約数和(自身を除く): 354321749

約数列:

[1, 5, 131, 307, 655, 1535, 8263, 40217, 41315, 201085, 1082453, 2536741, 5412265, 12683705, 332313071, 1661565355]

約数ペア:

[(1, 1661565355), (5, 332313071), (131, 12683705), (307, 5412265), (655, 2536741), (1535, 1082453), (8263, 201085), (40217, 41315)]