221500565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18223}}^1$

素因数の和:18269

約数の個数: 32

約数和(自身を含む): 330656256

約数和(自身を除く): 109155691

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155, 18223, 91115, 200453, 236899, 309791, 1002265, 1184495, 1548955, 2605889, 3407701, 4027283, 13029445, 17038505, 20136415, 44300113, 221500565]

約数ペア:

[(1, 221500565), (5, 44300113), (11, 20136415), (13, 17038505), (17, 13029445), (55, 4027283), (65, 3407701), (85, 2605889), (143, 1548955), (187, 1184495), (221, 1002265), (715, 309791), (935, 236899), (1105, 200453), (2431, 91115), (12155, 18223)]