7818330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20047}}^1$

素因数の和:20070

約数の個数: 32

約数和(自身を含む): 20208384

約数和(自身を除く): 12390054

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20047, 40094, 60141, 100235, 120282, 200470, 260611, 300705, 521222, 601410, 781833, 1303055, 1563666, 2606110, 3909165, 7818330]

約数ペア:

[(1, 7818330), (2, 3909165), (3, 2606110), (5, 1563666), (6, 1303055), (10, 781833), (13, 601410), (15, 521222), (26, 300705), (30, 260611), (39, 200470), (65, 120282), (78, 100235), (130, 60141), (195, 40094), (390, 20047)]