39972499

素因数分解:

$7^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 48519680

約数和(自身を除く): 8547181

約数列:

[1, 7, 41, 43, 79, 287, 301, 553, 1681, 1763, 3239, 3397, 11767, 12341, 22673, 23779, 72283, 132799, 139277, 505981, 929593, 974939, 5710357, 39972499]

約数ペア:

[(1, 39972499), (7, 5710357), (41, 974939), (43, 929593), (79, 505981), (287, 139277), (301, 132799), (553, 72283), (1681, 23779), (1763, 22673), (3239, 12341), (3397, 11767)]