247255775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1733}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 331124640

約数和(自身を除く): 83868865

約数列:

[1, 5, 13, 25, 65, 325, 439, 1733, 2195, 5707, 8665, 10975, 22529, 28535, 43325, 112645, 142675, 563225, 760787, 3803935, 9890231, 19019675, 49451155, 247255775]

約数ペア:

[(1, 247255775), (5, 49451155), (13, 19019675), (25, 9890231), (65, 3803935), (325, 760787), (439, 563225), (1733, 142675), (2195, 112645), (5707, 43325), (8665, 28535), (10975, 22529)]