289321487

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{6449}}^1$

素因数の和:6515

約数の個数: 32

約数和(自身を含む): 390096000

約数和(自身を除く): 100774513

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 377, 493, 1547, 2639, 3451, 6409, 6449, 44863, 45143, 83837, 109633, 187021, 586859, 767431, 1309147, 1425229, 2431273, 3179357, 9976603, 17018911, 22255499, 41331641, 289321487]

約数ペア:

[(1, 289321487), (7, 41331641), (13, 22255499), (17, 17018911), (29, 9976603), (91, 3179357), (119, 2431273), (203, 1425229), (221, 1309147), (377, 767431), (493, 586859), (1547, 187021), (2639, 109633), (3451, 83837), (6409, 45143), (6449, 44863)]