81228536

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{1009}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 158166000

約数和(自身を除く): 76937464

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 347, 694, 1009, 1388, 2018, 2776, 4036, 8072, 10063, 20126, 29261, 40252, 58522, 80504, 117044, 234088, 350123, 700246, 1400492, 2800984, 10153567, 20307134, 40614268, 81228536]

約数ペア:

[(1, 81228536), (2, 40614268), (4, 20307134), (8, 10153567), (29, 2800984), (58, 1400492), (116, 700246), (232, 350123), (347, 234088), (694, 117044), (1009, 80504), (1388, 58522), (2018, 40252), (2776, 29261), (4036, 20126), (8072, 10063)]