13209455

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7121}}^1$

素因数の和:7186

約数の個数: 16

約数和(自身を含む): 18460224

約数和(自身を除く): 5250769

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 7121, 35605, 49847, 249235, 377413, 1887065, 2641891, 13209455]

約数ペア:

[(1, 13209455), (5, 2641891), (7, 1887065), (35, 377413), (53, 249235), (265, 49847), (371, 35605), (1855, 7121)]