258533891

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1181}}^1\times {\mathrm{2843}}^1$

素因数の和:4042

約数の個数: 16

約数和(自身を含む): 322714368

約数和(自身を除く): 64180477

約数列:

[1, 7, 11, 77, 1181, 2843, 8267, 12991, 19901, 31273, 90937, 218911, 3357583, 23503081, 36933413, 258533891]

約数ペア:

[(1, 258533891), (7, 36933413), (11, 23503081), (77, 3357583), (1181, 218911), (2843, 90937), (8267, 31273), (12991, 19901)]