2018779861

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{28277}}^1$

素因数の和:28369

約数の個数: 24

約数和(自身を含む): 2475795456

約数和(自身を除く): 457015595

約数列:

[1, 7, 31, 47, 49, 217, 329, 1457, 1519, 2303, 10199, 28277, 71393, 197939, 876587, 1329019, 1385573, 6136109, 9303133, 41199589, 42952763, 65121931, 288397123, 2018779861]

約数ペア:

[(1, 2018779861), (7, 288397123), (31, 65121931), (47, 42952763), (49, 41199589), (217, 9303133), (329, 6136109), (1457, 1385573), (1519, 1329019), (2303, 876587), (10199, 197939), (28277, 71393)]