12021425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 16415616

約数和(自身を除く): 4394191

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 787, 1175, 3055, 3935, 10231, 15275, 19675, 36989, 51155, 184945, 255775, 480857, 924725, 2404285, 12021425]

約数ペア:

[(1, 12021425), (5, 2404285), (13, 924725), (25, 480857), (47, 255775), (65, 184945), (235, 51155), (325, 36989), (611, 19675), (787, 15275), (1175, 10231), (3055, 3935)]