2145187

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 16

約数和(自身を含む): 2499840

約数和(自身を除く): 354653

約数列:

[1, 11, 23, 61, 139, 253, 671, 1403, 1529, 3197, 8479, 15433, 35167, 93269, 195017, 2145187]

約数ペア:

[(1, 2145187), (11, 195017), (23, 93269), (61, 35167), (139, 15433), (253, 8479), (671, 3197), (1403, 1529)]