917996821

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{2833}}^1$

素因数の和:3253

約数の個数: 24

約数和(自身を含む): 1133996760

約数和(自身を除く): 215999939

約数列:

[1, 7, 17, 49, 119, 389, 833, 2723, 2833, 6613, 19061, 19831, 46291, 48161, 138817, 324037, 337127, 1102037, 2359889, 7714259, 18734629, 53999813, 131142403, 917996821]

約数ペア:

[(1, 917996821), (7, 131142403), (17, 53999813), (49, 18734629), (119, 7714259), (389, 2359889), (833, 1102037), (2723, 337127), (2833, 324037), (6613, 138817), (19061, 48161), (19831, 46291)]