8707985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 12942720

約数和(自身を除く): 4234735

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 641, 715, 1045, 1235, 2717, 3205, 7051, 8333, 12179, 13585, 35255, 41665, 60895, 91663, 133969, 158327, 458315, 669845, 791635, 1741597, 8707985]

約数ペア:

[(1, 8707985), (5, 1741597), (11, 791635), (13, 669845), (19, 458315), (55, 158327), (65, 133969), (95, 91663), (143, 60895), (209, 41665), (247, 35255), (641, 13585), (715, 12179), (1045, 8333), (1235, 7051), (2717, 3205)]