191820139

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1722

約数の個数: 16

約数和(自身を含む): 222566400

約数和(自身を除く): 30746261

約数列:

[1, 7, 137, 139, 959, 973, 1439, 10073, 19043, 133301, 197143, 200021, 1380001, 1400147, 27402877, 191820139]

約数ペア:

[(1, 191820139), (7, 27402877), (137, 1400147), (139, 1380001), (959, 200021), (973, 197143), (1439, 133301), (10073, 19043)]