38756848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{479}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 81244800

約数和(自身を除く): 42487952

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389, 479, 778, 958, 1556, 1916, 3112, 3832, 5057, 6224, 6227, 7664, 10114, 12454, 20228, 24908, 40456, 49816, 80912, 99632, 186331, 372662, 745324, 1490648, 2422303, 2981296, 4844606, 9689212, 19378424, 38756848]

約数ペア:

[(1, 38756848), (2, 19378424), (4, 9689212), (8, 4844606), (13, 2981296), (16, 2422303), (26, 1490648), (52, 745324), (104, 372662), (208, 186331), (389, 99632), (479, 80912), (778, 49816), (958, 40456), (1556, 24908), (1916, 20228), (3112, 12454), (3832, 10114), (5057, 7664), (6224, 6227)]