215134855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{10781}}^1$

素因数の和:11106

約数の個数: 16

約数和(自身を含む): 278951904

約数和(自身を除く): 63817049

約数列:

[1, 5, 13, 65, 307, 1535, 3991, 10781, 19955, 53905, 140153, 700765, 3309767, 16548835, 43026971, 215134855]

約数ペア:

[(1, 215134855), (5, 43026971), (13, 16548835), (65, 3309767), (307, 700765), (1535, 140153), (3991, 53905), (10781, 19955)]