12039215

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 14859936

約数和(自身を除く): 2820721

約数列:

[1, 5, 53, 181, 251, 265, 905, 1255, 9593, 13303, 45431, 47965, 66515, 227155, 2407843, 12039215]

約数ペア:

[(1, 12039215), (5, 2407843), (53, 227155), (181, 66515), (251, 47965), (265, 45431), (905, 13303), (1255, 9593)]