220173545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1021}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 291392640

約数和(自身を除く): 71219095

約数列:

[1, 5, 17, 43, 59, 85, 215, 295, 731, 1003, 1021, 2537, 3655, 5015, 5105, 12685, 17357, 43129, 43903, 60239, 86785, 215645, 219515, 301195, 746351, 1024063, 2590277, 3731755, 5120315, 12951385, 44034709, 220173545]

約数ペア:

[(1, 220173545), (5, 44034709), (17, 12951385), (43, 5120315), (59, 3731755), (85, 2590277), (215, 1024063), (295, 746351), (731, 301195), (1003, 219515), (1021, 215645), (2537, 86785), (3655, 60239), (5015, 43903), (5105, 43129), (12685, 17357)]