11956021

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 16017408

約数和(自身を除く): 4061387

約数列:

[1, 7, 11, 23, 43, 77, 157, 161, 253, 301, 473, 989, 1099, 1727, 1771, 3311, 3611, 6751, 6923, 10879, 12089, 25277, 39721, 47257, 74261, 76153, 155273, 278047, 519827, 1086911, 1708003, 11956021]

約数ペア:

[(1, 11956021), (7, 1708003), (11, 1086911), (23, 519827), (43, 278047), (77, 155273), (157, 76153), (161, 74261), (253, 47257), (301, 39721), (473, 25277), (989, 12089), (1099, 10879), (1727, 6923), (1771, 6751), (3311, 3611)]