26821975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 35033472

約数和(自身を除く): 8211497

約数列:

[1, 5, 25, 31, 53, 155, 265, 653, 775, 1325, 1643, 3265, 8215, 16325, 20243, 34609, 41075, 101215, 173045, 506075, 865225, 1072879, 5364395, 26821975]

約数ペア:

[(1, 26821975), (5, 5364395), (25, 1072879), (31, 865225), (53, 506075), (155, 173045), (265, 101215), (653, 41075), (775, 34609), (1325, 20243), (1643, 16325), (3265, 8215)]