261657268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{5839}}^1$

素因数の和:6519

約数の個数: 24

約数和(自身を含む): 485654400

約数和(自身を除く): 223997132

約数列:

[1, 2, 4, 17, 34, 68, 659, 1318, 2636, 5839, 11203, 11678, 22406, 23356, 44812, 99263, 198526, 397052, 3847901, 7695802, 15391604, 65414317, 130828634, 261657268]

約数ペア:

[(1, 261657268), (2, 130828634), (4, 65414317), (17, 15391604), (34, 7695802), (68, 3847901), (659, 397052), (1318, 198526), (2636, 99263), (5839, 44812), (11203, 23356), (11678, 22406)]