261256

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{113}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 524970

約数和(自身を除く): 263714

約数列:

[1, 2, 4, 8, 17, 34, 68, 113, 136, 226, 289, 452, 578, 904, 1156, 1921, 2312, 3842, 7684, 15368, 32657, 65314, 130628, 261256]

約数ペア:

[(1, 261256), (2, 130628), (4, 65314), (8, 32657), (17, 15368), (34, 7684), (68, 3842), (113, 2312), (136, 1921), (226, 1156), (289, 904), (452, 578)]