2189567375

素因数分解:

$5^3\times {\mathrm{439}}^1\times {\mathrm{39901}}^1$

素因数の和:40355

約数の個数: 16

約数和(自身を含む): 2738873280

約数和(自身を除く): 549305905

約数列:

[1, 5, 25, 125, 439, 2195, 10975, 39901, 54875, 199505, 997525, 4987625, 17516539, 87582695, 437913475, 2189567375]

約数ペア:

[(1, 2189567375), (5, 437913475), (25, 87582695), (125, 17516539), (439, 4987625), (2195, 997525), (10975, 199505), (39901, 54875)]