11990449079

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{28393}}^1$

素因数の和:28527

約数の個数: 32

約数和(自身を含む): 14872095744

約数和(自身を除く): 2881646665

約数列:

[1, 7, 23, 43, 61, 161, 301, 427, 989, 1403, 2623, 6923, 9821, 18361, 28393, 60329, 198751, 422303, 653039, 1220899, 1731973, 4571273, 8546293, 12123811, 28080677, 39835379, 74474839, 196564739, 278847653, 521323873, 1712921297, 11990449079]

約数ペア:

[(1, 11990449079), (7, 1712921297), (23, 521323873), (43, 278847653), (61, 196564739), (161, 74474839), (301, 39835379), (427, 28080677), (989, 12123811), (1403, 8546293), (2623, 4571273), (6923, 1731973), (9821, 1220899), (18361, 653039), (28393, 422303), (60329, 198751)]