39978965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 54190080

約数和(自身を除く): 14211115

約数列:

[1, 5, 13, 29, 65, 127, 145, 167, 377, 635, 835, 1651, 1885, 2171, 3683, 4843, 8255, 10855, 18415, 21209, 24215, 47879, 62959, 106045, 239395, 275717, 314795, 615061, 1378585, 3075305, 7995793, 39978965]

約数ペア:

[(1, 39978965), (5, 7995793), (13, 3075305), (29, 1378585), (65, 615061), (127, 314795), (145, 275717), (167, 239395), (377, 106045), (635, 62959), (835, 47879), (1651, 24215), (1885, 21209), (2171, 18415), (3683, 10855), (4843, 8255)]