218212211

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{22871}}^1$

素因数の和:22954

約数の個数: 16

約数和(自身を含む): 263485440

約数和(自身を除く): 45273229

約数列:

[1, 7, 29, 47, 203, 329, 1363, 9541, 22871, 160097, 663259, 1074937, 4642813, 7524559, 31173173, 218212211]

約数ペア:

[(1, 218212211), (7, 31173173), (29, 7524559), (47, 4642813), (203, 1074937), (329, 663259), (1363, 160097), (9541, 22871)]