161566142704

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{5077}}^1\times {\mathrm{15661}}^1$

素因数の和:20873

約数の個数: 40

約数和(自身を含む): 315581531648

約数和(自身を除く): 154015388944

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 5077, 10154, 15661, 20308, 31322, 40616, 62644, 81232, 125288, 250576, 644779, 1289558, 1988947, 2579116, 3977894, 5158232, 7955788, 10316464, 15911576, 31823152, 79510897, 159021794, 318043588, 636087176, 1272174352, 10097883919, 20195767838, 40391535676, 80783071352, 161566142704]

約数ペア:

[(1, 161566142704), (2, 80783071352), (4, 40391535676), (8, 20195767838), (16, 10097883919), (127, 1272174352), (254, 636087176), (508, 318043588), (1016, 159021794), (2032, 79510897), (5077, 31823152), (10154, 15911576), (15661, 10316464), (20308, 7955788), (31322, 5158232), (40616, 3977894), (62644, 2579116), (81232, 1988947), (125288, 1289558), (250576, 644779)]