85857928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 180512640

約数和(自身を除く): 94654712

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 73, 86, 104, 146, 172, 263, 292, 344, 526, 559, 584, 949, 1052, 1118, 1898, 2104, 2236, 3139, 3419, 3796, 4472, 6278, 6838, 7592, 11309, 12556, 13676, 19199, 22618, 25112, 27352, 38398, 40807, 45236, 76796, 81614, 90472, 147017, 153592, 163228, 249587, 294034, 326456, 499174, 588068, 825557, 998348, 1176136, 1651114, 1996696, 3302228, 6604456, 10732241, 21464482, 42928964, 85857928]

約数ペア:

[(1, 85857928), (2, 42928964), (4, 21464482), (8, 10732241), (13, 6604456), (26, 3302228), (43, 1996696), (52, 1651114), (73, 1176136), (86, 998348), (104, 825557), (146, 588068), (172, 499174), (263, 326456), (292, 294034), (344, 249587), (526, 163228), (559, 153592), (584, 147017), (949, 90472), (1052, 81614), (1118, 76796), (1898, 45236), (2104, 40807), (2236, 38398), (3139, 27352), (3419, 25112), (3796, 22618), (4472, 19199), (6278, 13676), (6838, 12556), (7592, 11309)]