2155490057

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{3671}}^1$

素因数の和:4229

約数の個数: 24

約数和(自身を含む): 2622160512

約数和(自身を除く): 466670455

約数列:

[1, 7, 23, 49, 161, 521, 1127, 3647, 3671, 11983, 25529, 25697, 83881, 84433, 179879, 587167, 591031, 1912591, 4137217, 13388137, 43989593, 93716959, 307927151, 2155490057]

約数ペア:

[(1, 2155490057), (7, 307927151), (23, 93716959), (49, 43989593), (161, 13388137), (521, 4137217), (1127, 1912591), (3647, 591031), (3671, 587167), (11983, 179879), (25529, 84433), (25697, 83881)]