214780573

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 255988824

約数和(自身を除く): 41208251

約数列:

[1, 7, 49, 61, 181, 397, 427, 1267, 2779, 2989, 8869, 11041, 19453, 24217, 71857, 77287, 169519, 502999, 541009, 1186633, 3520993, 4383277, 30682939, 214780573]

約数ペア:

[(1, 214780573), (7, 30682939), (49, 4383277), (61, 3520993), (181, 1186633), (397, 541009), (427, 502999), (1267, 169519), (2779, 77287), (2989, 71857), (8869, 24217), (11041, 19453)]