223646521

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 273715200

約数和(自身を除く): 50068679

約数列:

[1, 7, 29, 59, 71, 203, 263, 413, 497, 1711, 1841, 2059, 4189, 7627, 11977, 14413, 15517, 18673, 29323, 53389, 108619, 121481, 130711, 449993, 541517, 850367, 1101707, 3149951, 3790619, 7711949, 31949503, 223646521]

約数ペア:

[(1, 223646521), (7, 31949503), (29, 7711949), (59, 3790619), (71, 3149951), (203, 1101707), (263, 850367), (413, 541517), (497, 449993), (1711, 130711), (1841, 121481), (2059, 108619), (4189, 53389), (7627, 29323), (11977, 18673), (14413, 15517)]