208432511

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{1429}}^1$

素因数の和:1814

約数の個数: 16

約数和(自身を含む): 242711040

約数和(自身を除く): 34278529

約数列:

[1, 7, 67, 311, 469, 1429, 2177, 10003, 20837, 95743, 145859, 444419, 670201, 3110933, 29776073, 208432511]

約数ペア:

[(1, 208432511), (7, 29776073), (67, 3110933), (311, 670201), (469, 444419), (1429, 145859), (2177, 95743), (10003, 20837)]