137609495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 181440000

約数和(自身を除く): 43830505

約数列:

[1, 5, 19, 29, 95, 145, 199, 251, 551, 995, 1255, 2755, 3781, 4769, 5771, 7279, 18905, 23845, 28855, 36395, 49949, 109649, 138301, 249745, 548245, 691505, 949031, 1448521, 4745155, 7242605, 27521899, 137609495]

約数ペア:

[(1, 137609495), (5, 27521899), (19, 7242605), (29, 4745155), (95, 1448521), (145, 949031), (199, 691505), (251, 548245), (551, 249745), (995, 138301), (1255, 109649), (2755, 49949), (3781, 36395), (4769, 28855), (5771, 23845), (7279, 18905)]