131439790

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{94561}}^1$

素因数の和:94707

約数の個数: 16

約数和(自身を含む): 238296240

約数和(自身を除く): 106856450

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 94561, 189122, 472805, 945610, 13143979, 26287958, 65719895, 131439790]

約数ペア:

[(1, 131439790), (2, 65719895), (5, 26287958), (10, 13143979), (139, 945610), (278, 472805), (695, 189122), (1390, 94561)]