642135697

素因数分解:

$7^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1\times {\mathrm{1451}}^1$

素因数の和:1980

約数の個数: 16

約数和(自身を含む): 740450304

約数和(自身を除く): 98314607

約数列:

[1, 7, 191, 331, 1337, 1451, 2317, 10157, 63221, 277141, 442547, 480281, 1939987, 3361967, 91733671, 642135697]

約数ペア:

[(1, 642135697), (7, 91733671), (191, 3361967), (331, 1939987), (1337, 480281), (1451, 442547), (2317, 277141), (10157, 63221)]