6989815

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 10552320

約数和(自身を除く): 3562505

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 457, 665, 805, 2185, 2285, 3059, 3199, 8683, 10511, 15295, 15995, 43415, 52555, 60781, 73577, 199709, 303905, 367885, 998545, 1397963, 6989815]

約数ペア:

[(1, 6989815), (5, 1397963), (7, 998545), (19, 367885), (23, 303905), (35, 199709), (95, 73577), (115, 60781), (133, 52555), (161, 43415), (437, 15995), (457, 15295), (665, 10511), (805, 8683), (2185, 3199), (2285, 3059)]