6489890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1439}}^1$

素因数の和:1498

約数の個数: 32

約数和(自身を含む): 13063680

約数和(自身を除く): 6573790

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 1439, 2255, 2878, 4510, 7195, 14390, 15829, 31658, 58999, 79145, 117998, 158290, 294995, 589990, 648989, 1297978, 3244945, 6489890]

約数ペア:

[(1, 6489890), (2, 3244945), (5, 1297978), (10, 648989), (11, 589990), (22, 294995), (41, 158290), (55, 117998), (82, 79145), (110, 58999), (205, 31658), (410, 15829), (451, 14390), (902, 7195), (1439, 4510), (2255, 2878)]