217258121665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{8273}}^1\times {\mathrm{404017}}^1$

素因数の和:412308

約数の個数: 16

約数和(自身を含む): 280798974288

約数和(自身を除く): 63540852623

約数列:

[1, 5, 13, 65, 8273, 41365, 107549, 404017, 537745, 2020085, 5252221, 26261105, 3342432641, 16712163205, 43451624333, 217258121665]

約数ペア:

[(1, 217258121665), (5, 43451624333), (13, 16712163205), (65, 3342432641), (8273, 26261105), (41365, 5252221), (107549, 2020085), (404017, 537745)]