398854196

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{590021}}^1$

素因数の和:590051

約数の個数: 18

約数和(自身を含む): 755818182

約数和(自身を除く): 356963986

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 590021, 1180042, 2360084, 7670273, 15340546, 30681092, 99713549, 199427098, 398854196]

約数ペア:

[(1, 398854196), (2, 199427098), (4, 99713549), (13, 30681092), (26, 15340546), (52, 7670273), (169, 2360084), (338, 1180042), (676, 590021)]