2021469904

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71663}}^1$

素因数の和:71755

約数の個数: 40

約数和(自身を含む): 4105487232

約数和(自身を除く): 2084017328

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 164, 172, 328, 344, 656, 688, 1763, 3526, 7052, 14104, 28208, 71663, 143326, 286652, 573304, 1146608, 2938183, 3081509, 5876366, 6163018, 11752732, 12326036, 23505464, 24652072, 47010928, 49304144, 126341869, 252683738, 505367476, 1010734952, 2021469904]

約数ペア:

[(1, 2021469904), (2, 1010734952), (4, 505367476), (8, 252683738), (16, 126341869), (41, 49304144), (43, 47010928), (82, 24652072), (86, 23505464), (164, 12326036), (172, 11752732), (328, 6163018), (344, 5876366), (656, 3081509), (688, 2938183), (1763, 1146608), (3526, 573304), (7052, 286652), (14104, 143326), (28208, 71663)]