891605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:101

約数の個数: 32

約数和(自身を含む): 1330560

約数和(自身を除く): 438955

約数列:

[1, 5, 11, 13, 29, 43, 55, 65, 143, 145, 215, 319, 377, 473, 559, 715, 1247, 1595, 1885, 2365, 2795, 4147, 6149, 6235, 13717, 16211, 20735, 30745, 68585, 81055, 178321, 891605]

約数ペア:

[(1, 891605), (5, 178321), (11, 81055), (13, 68585), (29, 30745), (43, 20735), (55, 16211), (65, 13717), (143, 6235), (145, 6149), (215, 4147), (319, 2795), (377, 2365), (473, 1885), (559, 1595), (715, 1247)]