261625122

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1999}}^1$

素因数の和:2679

約数の個数: 48

約数和(自身を含む): 619632000

約数和(自身を除く): 358006878

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 661, 1322, 1983, 1999, 3966, 3998, 5949, 5997, 7271, 11898, 11994, 14542, 17991, 21813, 21989, 35982, 43626, 43978, 65439, 65967, 130878, 131934, 197901, 395802, 1321339, 2642678, 3964017, 7928034, 11892051, 14534729, 23784102, 29069458, 43604187, 87208374, 130812561, 261625122]

約数ペア:

[(1, 261625122), (2, 130812561), (3, 87208374), (6, 43604187), (9, 29069458), (11, 23784102), (18, 14534729), (22, 11892051), (33, 7928034), (66, 3964017), (99, 2642678), (198, 1321339), (661, 395802), (1322, 197901), (1983, 131934), (1999, 130878), (3966, 65967), (3998, 65439), (5949, 43978), (5997, 43626), (7271, 35982), (11898, 21989), (11994, 21813), (14542, 17991)]