2012311721

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1381}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 2428428288

約数和(自身を除く): 416116567

約数列:

[1, 7, 43, 47, 103, 301, 329, 721, 1381, 2021, 4429, 4841, 9667, 14147, 31003, 33887, 59383, 64907, 142243, 208163, 415681, 454349, 995701, 1457141, 2791001, 6116449, 6685421, 19537007, 42815143, 46797947, 287473103, 2012311721]

約数ペア:

[(1, 2012311721), (7, 287473103), (43, 46797947), (47, 42815143), (103, 19537007), (301, 6685421), (329, 6116449), (721, 2791001), (1381, 1457141), (2021, 995701), (4429, 454349), (4841, 415681), (9667, 208163), (14147, 142243), (31003, 64907), (33887, 59383)]