80851715

素因数分解:

$5^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{997}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 113316912

約数和(自身を除く): 32465197

約数列:

[1, 5, 7, 35, 49, 245, 331, 997, 1655, 2317, 4985, 6979, 11585, 16219, 34895, 48853, 81095, 244265, 330007, 1650035, 2310049, 11550245, 16170343, 80851715]

約数ペア:

[(1, 80851715), (5, 16170343), (7, 11550245), (35, 2310049), (49, 1650035), (245, 330007), (331, 244265), (997, 81095), (1655, 48853), (2317, 34895), (4985, 16219), (6979, 11585)]