81559894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1543}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 140071680

約数和(自身を除く): 58511786

約数列:

[1, 2, 13, 19, 26, 38, 107, 214, 247, 494, 1391, 1543, 2033, 2782, 3086, 4066, 20059, 26429, 29317, 40118, 52858, 58634, 165101, 330202, 381121, 762242, 2146313, 3136919, 4292626, 6273838, 40779947, 81559894]

約数ペア:

[(1, 81559894), (2, 40779947), (13, 6273838), (19, 4292626), (26, 3136919), (38, 2146313), (107, 762242), (214, 381121), (247, 330202), (494, 165101), (1391, 58634), (1543, 52858), (2033, 40118), (2782, 29317), (3086, 26429), (4066, 20059)]