12681775

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 16498944

約数和(自身を除く): 3817169

約数列:

[1, 5, 25, 43, 47, 215, 235, 251, 1075, 1175, 1255, 2021, 6275, 10105, 10793, 11797, 50525, 53965, 58985, 269825, 294925, 507271, 2536355, 12681775]

約数ペア:

[(1, 12681775), (5, 2536355), (25, 507271), (43, 294925), (47, 269825), (215, 58985), (235, 53965), (251, 50525), (1075, 11797), (1175, 10793), (1255, 10105), (2021, 6275)]