220963967

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{29201}}^1$

素因数の和:29278

約数の個数: 16

約数和(自身を含む): 269125632

約数和(自身を除く): 48161665

約数列:

[1, 7, 23, 47, 161, 329, 1081, 7567, 29201, 204407, 671623, 1372447, 4701361, 9607129, 31566281, 220963967]

約数ペア:

[(1, 220963967), (7, 31566281), (23, 9607129), (47, 4701361), (161, 1372447), (329, 671623), (1081, 204407), (7567, 29201)]