289012486

素因数分解:

$2^1\times 7^3\times {\mathrm{601}}^1\times {\mathrm{701}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 507124800

約数和(自身を除く): 218112314

約数列:

[1, 2, 7, 14, 49, 98, 343, 601, 686, 701, 1202, 1402, 4207, 4907, 8414, 9814, 29449, 34349, 58898, 68698, 206143, 240443, 412286, 421301, 480886, 842602, 2949107, 5898214, 20643749, 41287498, 144506243, 289012486]

約数ペア:

[(1, 289012486), (2, 144506243), (7, 41287498), (14, 20643749), (49, 5898214), (98, 2949107), (343, 842602), (601, 480886), (686, 421301), (701, 412286), (1202, 240443), (1402, 206143), (4207, 68698), (4907, 58898), (8414, 34349), (9814, 29449)]