1237890875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{761779}}^1$

素因数の和:761807

約数の個数: 16

約数和(自身を含む): 1663727520

約数和(自身を除く): 425836645

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 761779, 3808895, 9903127, 19044475, 49515635, 95222375, 247578175, 1237890875]

約数ペア:

[(1, 1237890875), (5, 247578175), (13, 95222375), (25, 49515635), (65, 19044475), (125, 9903127), (325, 3808895), (1625, 761779)]