40642021

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 50294520

約数和(自身を除く): 9652499

約数列:

[1, 7, 29, 37, 49, 203, 259, 773, 1073, 1421, 1813, 5411, 7511, 22417, 28601, 37877, 52577, 156919, 200207, 829429, 1098433, 1401449, 5806003, 40642021]

約数ペア:

[(1, 40642021), (7, 5806003), (29, 1401449), (37, 1098433), (49, 829429), (203, 200207), (259, 156919), (773, 52577), (1073, 37877), (1421, 28601), (1813, 22417), (5411, 7511)]