64915565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 92244096

約数和(自身を除く): 27328531

約数列:

[1, 5, 11, 13, 55, 65, 143, 163, 557, 715, 815, 1793, 2119, 2785, 6127, 7241, 8965, 10595, 23309, 30635, 36205, 79651, 90791, 116545, 398255, 453955, 998701, 1180283, 4993505, 5901415, 12983113, 64915565]

約数ペア:

[(1, 64915565), (5, 12983113), (11, 5901415), (13, 4993505), (55, 1180283), (65, 998701), (143, 453955), (163, 398255), (557, 116545), (715, 90791), (815, 79651), (1793, 36205), (2119, 30635), (2785, 23309), (6127, 10595), (7241, 8965)]