217740412

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{1471219}}^1$

素因数の和:1471260

約数の個数: 12

約数和(自身を含む): 391344520

約数和(自身を除く): 173604108

約数列:

[1, 2, 4, 37, 74, 148, 1471219, 2942438, 5884876, 54435103, 108870206, 217740412]

約数ペア:

[(1, 217740412), (2, 108870206), (4, 54435103), (37, 5884876), (74, 2942438), (148, 1471219)]