42121475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1721}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 57652560

約数和(自身を除く): 15531085

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 979, 1721, 2225, 4895, 8605, 18931, 24475, 43025, 94655, 153169, 473275, 765845, 1684859, 3829225, 8424295, 42121475]

約数ペア:

[(1, 42121475), (5, 8424295), (11, 3829225), (25, 1684859), (55, 765845), (89, 473275), (275, 153169), (445, 94655), (979, 43025), (1721, 24475), (2225, 18931), (4895, 8605)]