1988188223

素因数分解:

$7^1\times {\mathrm{211}}^1\times {\mathrm{1019}}^1\times {\mathrm{1321}}^1$

素因数の和:2558

約数の個数: 16

約数和(自身を含む): 2286954240

約数和(自身を除く): 298766017

約数列:

[1, 7, 211, 1019, 1321, 1477, 7133, 9247, 215009, 278731, 1346099, 1505063, 1951117, 9422693, 284026889, 1988188223]

約数ペア:

[(1, 1988188223), (7, 284026889), (211, 9422693), (1019, 1951117), (1321, 1505063), (1477, 1346099), (7133, 278731), (9247, 215009)]