1380368978

素因数分解:

$2^1\times {\mathrm{251}}^1\times {\mathrm{1151}}^1\times {\mathrm{2389}}^1$

素因数の和:3793

約数の個数: 16

約数和(自身を含む): 2081479680

約数和(自身を除く): 701110702

約数列:

[1, 2, 251, 502, 1151, 2302, 2389, 4778, 288901, 577802, 599639, 1199278, 2749739, 5499478, 690184489, 1380368978]

約数ペア:

[(1, 1380368978), (2, 690184489), (251, 5499478), (502, 2749739), (1151, 1199278), (2302, 599639), (2389, 577802), (4778, 288901)]