1978310625

素因数分解:

$3^1\times 5^4\times {\mathrm{163}}^1\times {\mathrm{6473}}^1$

素因数の和:6659

約数の個数: 40

約数和(自身を含む): 3316863264

約数和(自身を除く): 1338552639

約数列:

[1, 3, 5, 15, 25, 75, 125, 163, 375, 489, 625, 815, 1875, 2445, 4075, 6473, 12225, 19419, 20375, 32365, 61125, 97095, 101875, 161825, 305625, 485475, 809125, 1055099, 2427375, 3165297, 4045625, 5275495, 12136875, 15826485, 26377475, 79132425, 131887375, 395662125, 659436875, 1978310625]

約数ペア:

[(1, 1978310625), (3, 659436875), (5, 395662125), (15, 131887375), (25, 79132425), (75, 26377475), (125, 15826485), (163, 12136875), (375, 5275495), (489, 4045625), (625, 3165297), (815, 2427375), (1875, 1055099), (2445, 809125), (4075, 485475), (6473, 305625), (12225, 161825), (19419, 101875), (20375, 97095), (32365, 61125)]