199415545

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{42839}}^1$

素因数の和:42877

約数の個数: 24

約数和(自身を含む): 293025600

約数和(自身を除く): 93610055

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 42839, 214195, 299873, 813941, 1499365, 2099111, 4069705, 5697587, 10495555, 28487935, 39883109, 199415545]

約数ペア:

[(1, 199415545), (5, 39883109), (7, 28487935), (19, 10495555), (35, 5697587), (49, 4069705), (95, 2099111), (133, 1499365), (245, 813941), (665, 299873), (931, 214195), (4655, 42839)]