208519171

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{1049}}^1$

素因数の和:1518

約数の個数: 16

約数和(自身を含む): 242424000

約数和(自身を除く): 33904829

約数列:

[1, 7, 73, 389, 511, 1049, 2723, 7343, 28397, 76577, 198779, 408061, 536039, 2856427, 29788453, 208519171]

約数ペア:

[(1, 208519171), (7, 29788453), (73, 2856427), (389, 536039), (511, 408061), (1049, 198779), (2723, 76577), (7343, 28397)]