2005206812

素因数分解:

$2^2\times 7^3\times {\mathrm{431}}^1\times {\mathrm{3391}}^1$

素因数の和:3847

約数の個数: 48

約数和(自身を含む): 4102963200

約数和(自身を除く): 2097756388

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 431, 686, 862, 1372, 1724, 3017, 3391, 6034, 6782, 12068, 13564, 21119, 23737, 42238, 47474, 84476, 94948, 147833, 166159, 295666, 332318, 591332, 664636, 1163113, 1461521, 2326226, 2923042, 4652452, 5846084, 10230647, 20461294, 40922588, 71614529, 143229058, 286458116, 501301703, 1002603406, 2005206812]

約数ペア:

[(1, 2005206812), (2, 1002603406), (4, 501301703), (7, 286458116), (14, 143229058), (28, 71614529), (49, 40922588), (98, 20461294), (196, 10230647), (343, 5846084), (431, 4652452), (686, 2923042), (862, 2326226), (1372, 1461521), (1724, 1163113), (3017, 664636), (3391, 591332), (6034, 332318), (6782, 295666), (12068, 166159), (13564, 147833), (21119, 94948), (23737, 84476), (42238, 47474)]