2791990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 24

約数和(自身を含む): 5179248

約数和(自身を除く): 2387258

約数列:

[1, 2, 5, 10, 43, 86, 151, 215, 302, 430, 755, 1510, 1849, 3698, 6493, 9245, 12986, 18490, 32465, 64930, 279199, 558398, 1395995, 2791990]

約数ペア:

[(1, 2791990), (2, 1395995), (5, 558398), (10, 279199), (43, 64930), (86, 32465), (151, 18490), (215, 12986), (302, 9245), (430, 6493), (755, 3698), (1510, 1849)]