64860965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1811}}^1$

素因数の和:1877

約数の個数: 32

約数和(自身を含む): 91324800

約数和(自身を除く): 26463835

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 377, 551, 1235, 1811, 1885, 2755, 7163, 9055, 23543, 34409, 35815, 52519, 117715, 172045, 262595, 447317, 682747, 997861, 2236585, 3413735, 4989305, 12972193, 64860965]

約数ペア:

[(1, 64860965), (5, 12972193), (13, 4989305), (19, 3413735), (29, 2236585), (65, 997861), (95, 682747), (145, 447317), (247, 262595), (377, 172045), (551, 117715), (1235, 52519), (1811, 35815), (1885, 34409), (2755, 23543), (7163, 9055)]