217850545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{4721}}^1$

素因数の和:5576

約数の個数: 16

約数和(自身を含む): 285586560

約数和(自身を除く): 67736015

約数列:

[1, 5, 11, 55, 839, 4195, 4721, 9229, 23605, 46145, 51931, 259655, 3960919, 19804595, 43570109, 217850545]

約数ペア:

[(1, 217850545), (5, 43570109), (11, 19804595), (55, 3960919), (839, 259655), (4195, 51931), (4721, 46145), (9229, 23605)]