78628655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1283}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 115375104

約数和(自身を除く): 36746449

約数列:

[1, 5, 7, 17, 35, 85, 103, 119, 515, 595, 721, 1283, 1751, 3605, 6415, 8755, 8981, 12257, 21811, 44905, 61285, 109055, 132149, 152677, 660745, 763385, 925043, 2246533, 4625215, 11232665, 15725731, 78628655]

約数ペア:

[(1, 78628655), (5, 15725731), (7, 11232665), (17, 4625215), (35, 2246533), (85, 925043), (103, 763385), (119, 660745), (515, 152677), (595, 132149), (721, 109055), (1283, 61285), (1751, 44905), (3605, 21811), (6415, 12257), (8755, 8981)]