389305345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28657}}^1$

素因数の和:28705

約数の個数: 32

約数和(自身を含む): 577745280

約数和(自身を除く): 188439935

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 2717, 13585, 28657, 143285, 315227, 372541, 544483, 1576135, 1862705, 2722415, 4097951, 5989313, 7078279, 20489755, 29946565, 35391395, 77861069, 389305345]

約数ペア:

[(1, 389305345), (5, 77861069), (11, 35391395), (13, 29946565), (19, 20489755), (55, 7078279), (65, 5989313), (95, 4097951), (143, 2722415), (209, 1862705), (247, 1576135), (715, 544483), (1045, 372541), (1235, 315227), (2717, 143285), (13585, 28657)]