1965649

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 2430720

約数和(自身を除く): 465071

約数列:

[1, 7, 23, 29, 161, 203, 421, 667, 2947, 4669, 9683, 12209, 67781, 85463, 280807, 1965649]

約数ペア:

[(1, 1965649), (7, 280807), (23, 85463), (29, 67781), (161, 12209), (203, 9683), (421, 4669), (667, 2947)]