664758516

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{780233}}^1$

素因数の和:780311

約数の個数: 24

約数和(自身を含む): 1572951744

約数和(自身を除く): 908193228

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 780233, 1560466, 2340699, 3120932, 4681398, 9362796, 55396543, 110793086, 166189629, 221586172, 332379258, 664758516]

約数ペア:

[(1, 664758516), (2, 332379258), (3, 221586172), (4, 166189629), (6, 110793086), (12, 55396543), (71, 9362796), (142, 4681398), (213, 3120932), (284, 2340699), (426, 1560466), (852, 780233)]