393965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 32

約数和(自身を含む): 604800

約数和(自身を除く): 210835

約数列:

[1, 5, 11, 13, 19, 29, 55, 65, 95, 143, 145, 209, 247, 319, 377, 551, 715, 1045, 1235, 1595, 1885, 2717, 2755, 4147, 6061, 7163, 13585, 20735, 30305, 35815, 78793, 393965]

約数ペア:

[(1, 393965), (5, 78793), (11, 35815), (13, 30305), (19, 20735), (29, 13585), (55, 7163), (65, 6061), (95, 4147), (143, 2755), (145, 2717), (209, 1885), (247, 1595), (319, 1235), (377, 1045), (551, 715)]