289920911

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{9049}}^1$

素因数の和:9278

約数の個数: 16

約数和(自身を含む): 347520000

約数和(自身を除く): 57599089

約数列:

[1, 7, 23, 161, 199, 1393, 4577, 9049, 32039, 63343, 208127, 1456889, 1800751, 12605257, 41417273, 289920911]

約数ペア:

[(1, 289920911), (7, 41417273), (23, 12605257), (161, 1800751), (199, 1456889), (1393, 208127), (4577, 63343), (9049, 32039)]