209125895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{6659}}^1$

素因数の和:7246

約数の個数: 16

約数和(自身を含む): 274285440

約数和(自身を除く): 65159545

約数列:

[1, 5, 11, 55, 571, 2855, 6281, 6659, 31405, 33295, 73249, 366245, 3802289, 19011445, 41825179, 209125895]

約数ペア:

[(1, 209125895), (5, 41825179), (11, 19011445), (55, 3802289), (571, 366245), (2855, 73249), (6281, 33295), (6659, 31405)]