12920399

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:358

約数の個数: 16

約数和(自身を含む): 14256000

約数和(自身を除く): 1335601

約数列:

[1, 19, 29, 131, 179, 551, 2489, 3401, 3799, 5191, 23449, 72181, 98629, 445531, 680021, 12920399]

約数ペア:

[(1, 12920399), (19, 680021), (29, 445531), (131, 98629), (179, 72181), (551, 23449), (2489, 5191), (3401, 3799)]