620870666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{770311}}^1$

素因数の和:770357

約数の個数: 16

約数和(自身を含む): 1035299328

約数和(自身を除く): 414428662

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 770311, 1540622, 10014043, 20028086, 23879641, 47759282, 310435333, 620870666]

約数ペア:

[(1, 620870666), (2, 310435333), (13, 47759282), (26, 23879641), (31, 20028086), (62, 10014043), (403, 1540622), (806, 770311)]