2177065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1760

約数の個数: 16

約数和(自身を含む): 2975616

約数和(自身を除く): 798551

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 1721, 8605, 18931, 39583, 94655, 197915, 435413, 2177065]

約数ペア:

[(1, 2177065), (5, 435413), (11, 197915), (23, 94655), (55, 39583), (115, 18931), (253, 8605), (1265, 1721)]