81395896

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{1597}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 159927840

約数和(自身を除く): 78531944

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 277, 554, 1108, 1597, 2216, 3194, 6371, 6388, 12742, 12776, 25484, 36731, 50968, 73462, 146924, 293848, 442369, 884738, 1769476, 3538952, 10174487, 20348974, 40697948, 81395896]

約数ペア:

[(1, 81395896), (2, 40697948), (4, 20348974), (8, 10174487), (23, 3538952), (46, 1769476), (92, 884738), (184, 442369), (277, 293848), (554, 146924), (1108, 73462), (1597, 50968), (2216, 36731), (3194, 25484), (6371, 12776), (6388, 12742)]