1211140798

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2790647}}^1$

素因数の和:2790687

約数の個数: 16

約数和(自身を含む): 2143217664

約数和(自身を除く): 932076866

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 2790647, 5581294, 19534529, 39069058, 86510057, 173020114, 605570399, 1211140798]

約数ペア:

[(1, 1211140798), (2, 605570399), (7, 173020114), (14, 86510057), (31, 39069058), (62, 19534529), (217, 5581294), (434, 2790647)]