1189806505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{404009}}^1$

素因数の和:404064

約数の個数: 16

約数和(自身を含む): 1551398400

約数和(自身を除く): 361591895

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 404009, 2020045, 7676171, 12524279, 38380855, 62621395, 237961301, 1189806505]

約数ペア:

[(1, 1189806505), (5, 237961301), (19, 62621395), (31, 38380855), (95, 12524279), (155, 7676171), (589, 2020045), (2945, 404009)]