872138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:469

約数の個数: 16

約数和(自身を含む): 1404000

約数和(自身を除く): 531862

約数列:

[1, 2, 19, 38, 59, 118, 389, 778, 1121, 2242, 7391, 14782, 22951, 45902, 436069, 872138]

約数ペア:

[(1, 872138), (2, 436069), (19, 45902), (38, 22951), (59, 14782), (118, 7391), (389, 2242), (778, 1121)]