1281004

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 2349648

約数和(自身を除く): 1068644

約数列:

[1, 2, 4, 41, 73, 82, 107, 146, 164, 214, 292, 428, 2993, 4387, 5986, 7811, 8774, 11972, 15622, 17548, 31244, 320251, 640502, 1281004]

約数ペア:

[(1, 1281004), (2, 640502), (4, 320251), (41, 31244), (73, 17548), (82, 15622), (107, 11972), (146, 8774), (164, 7811), (214, 5986), (292, 4387), (428, 2993)]