2561191490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1791043}}^1$

素因数の和:1791074

約数の個数: 32

約数和(自身を含む): 5416117056

約数和(自身を除く): 2854925566

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 1791043, 3582086, 8955215, 17910430, 19701473, 23283559, 39402946, 46567118, 98507365, 116417795, 197014730, 232835590, 256119149, 512238298, 1280595745, 2561191490]

約数ペア:

[(1, 2561191490), (2, 1280595745), (5, 512238298), (10, 256119149), (11, 232835590), (13, 197014730), (22, 116417795), (26, 98507365), (55, 46567118), (65, 39402946), (110, 23283559), (130, 19701473), (143, 17910430), (286, 8955215), (715, 3582086), (1430, 1791043)]