25452808

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 51668100

約数和(自身を除く): 26215292

約数列:

[1, 2, 4, 8, 17, 34, 68, 101, 109, 136, 202, 218, 289, 404, 436, 578, 808, 872, 1156, 1717, 1853, 2312, 3434, 3706, 6868, 7412, 11009, 13736, 14824, 22018, 29189, 31501, 44036, 58378, 63002, 88072, 116756, 126004, 187153, 233512, 252008, 374306, 748612, 1497224, 3181601, 6363202, 12726404, 25452808]

約数ペア:

[(1, 25452808), (2, 12726404), (4, 6363202), (8, 3181601), (17, 1497224), (34, 748612), (68, 374306), (101, 252008), (109, 233512), (136, 187153), (202, 126004), (218, 116756), (289, 88072), (404, 63002), (436, 58378), (578, 44036), (808, 31501), (872, 29189), (1156, 22018), (1717, 14824), (1853, 13736), (2312, 11009), (3434, 7412), (3706, 6868)]