1564121990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191447}}^1$

素因数の和:191516

約数の個数: 32

約数和(自身を含む): 3032536320

約数和(自身を除く): 1468414330

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 191447, 382894, 957235, 1914470, 3637493, 7274986, 8232221, 16464442, 18187465, 36374930, 41161105, 82322210, 156412199, 312824398, 782060995, 1564121990]

約数ペア:

[(1, 1564121990), (2, 782060995), (5, 312824398), (10, 156412199), (19, 82322210), (38, 41161105), (43, 36374930), (86, 18187465), (95, 16464442), (190, 8232221), (215, 7274986), (430, 3637493), (817, 1914470), (1634, 957235), (4085, 382894), (8170, 191447)]