128575908

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1151}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 339655680

約数和(自身を除く): 211079772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 107, 116, 174, 214, 261, 321, 348, 428, 522, 642, 963, 1044, 1151, 1284, 1926, 2302, 3103, 3453, 3852, 4604, 6206, 6906, 9309, 10359, 12412, 13812, 18618, 20718, 27927, 33379, 37236, 41436, 55854, 66758, 100137, 111708, 123157, 133516, 200274, 246314, 300411, 369471, 400548, 492628, 600822, 738942, 1108413, 1201644, 1477884, 2216826, 3571553, 4433652, 7143106, 10714659, 14286212, 21429318, 32143977, 42858636, 64287954, 128575908]

約数ペア:

[(1, 128575908), (2, 64287954), (3, 42858636), (4, 32143977), (6, 21429318), (9, 14286212), (12, 10714659), (18, 7143106), (29, 4433652), (36, 3571553), (58, 2216826), (87, 1477884), (107, 1201644), (116, 1108413), (174, 738942), (214, 600822), (261, 492628), (321, 400548), (348, 369471), (428, 300411), (522, 246314), (642, 200274), (963, 133516), (1044, 123157), (1151, 111708), (1284, 100137), (1926, 66758), (2302, 55854), (3103, 41436), (3453, 37236), (3852, 33379), (4604, 27927), (6206, 20718), (6906, 18618), (9309, 13812), (10359, 12412)]