66866605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1867}}^1$

素因数の和:1933

約数の個数: 32

約数和(自身を含む): 94147200

約数和(自身を除く): 27280595

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 377, 551, 1235, 1867, 1885, 2755, 7163, 9335, 24271, 35473, 35815, 54143, 121355, 177365, 270715, 461149, 703859, 1028717, 2305745, 3519295, 5143585, 13373321, 66866605]

約数ペア:

[(1, 66866605), (5, 13373321), (13, 5143585), (19, 3519295), (29, 2305745), (65, 1028717), (95, 703859), (145, 461149), (247, 270715), (377, 177365), (551, 121355), (1235, 54143), (1867, 35815), (1885, 35473), (2755, 24271), (7163, 9335)]