2171703457

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{687901}}^1$

素因数の和:687960

約数の個数: 16

約数和(自身を含む): 2773620864

約数和(自身を除く): 601917407

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 687901, 4815307, 7566911, 28203941, 52968377, 197427587, 310243351, 2171703457]

約数ペア:

[(1, 2171703457), (7, 310243351), (11, 197427587), (41, 52968377), (77, 28203941), (287, 7566911), (451, 4815307), (3157, 687901)]