81462896

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{36629}}^1$

素因数の和:36776

約数の個数: 20

約数和(自身を含む): 158974200

約数和(自身を除く): 77511304

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 36629, 73258, 146516, 293032, 586064, 5091431, 10182862, 20365724, 40731448, 81462896]

約数ペア:

[(1, 81462896), (2, 40731448), (4, 20365724), (8, 10182862), (16, 5091431), (139, 586064), (278, 293032), (556, 146516), (1112, 73258), (2224, 36629)]