81389672

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111799}}^1$

素因数の和:111825

約数の個数: 32

約数和(自身を含む): 187824000

約数和(自身を除く): 106434328

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 111799, 223598, 447196, 782593, 894392, 1453387, 1565186, 2906774, 3130372, 5813548, 6260744, 10173709, 11627096, 20347418, 40694836, 81389672]

約数ペア:

[(1, 81389672), (2, 40694836), (4, 20347418), (7, 11627096), (8, 10173709), (13, 6260744), (14, 5813548), (26, 3130372), (28, 2906774), (52, 1565186), (56, 1453387), (91, 894392), (104, 782593), (182, 447196), (364, 223598), (728, 111799)]