81764752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2663}}^1$

素因数の和:2791

約数の個数: 40

約数和(自身を含む): 168471360

約数和(自身を除く): 86706608

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 808, 1616, 1919, 2663, 3838, 5326, 7676, 10652, 15352, 21304, 30704, 42608, 50597, 101194, 202388, 268963, 404776, 537926, 809552, 1075852, 2151704, 4303408, 5110297, 10220594, 20441188, 40882376, 81764752]

約数ペア:

[(1, 81764752), (2, 40882376), (4, 20441188), (8, 10220594), (16, 5110297), (19, 4303408), (38, 2151704), (76, 1075852), (101, 809552), (152, 537926), (202, 404776), (304, 268963), (404, 202388), (808, 101194), (1616, 50597), (1919, 42608), (2663, 30704), (3838, 21304), (5326, 15352), (7676, 10652)]