81508766

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1\times {\mathrm{653}}^1$

素因数の和:1243

約数の個数: 16

約数和(自身を含む): 123606000

約数和(自身を除く): 42097234

約数列:

[1, 2, 139, 278, 449, 653, 898, 1306, 62411, 90767, 124822, 181534, 293197, 586394, 40754383, 81508766]

約数ペア:

[(1, 81508766), (2, 40754383), (139, 586394), (278, 293197), (449, 181534), (653, 124822), (898, 90767), (1306, 62411)]