261755276

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 490791840

約数和(自身を除く): 229036564

約数列:

[1, 2, 4, 29, 43, 58, 86, 97, 116, 172, 194, 388, 541, 1082, 1247, 2164, 2494, 2813, 4171, 4988, 5626, 8342, 11252, 15689, 16684, 23263, 31378, 46526, 52477, 62756, 93052, 104954, 120959, 209908, 241918, 483836, 674627, 1349254, 1521833, 2256511, 2698508, 3043666, 4513022, 6087332, 9026044, 65438819, 130877638, 261755276]

約数ペア:

[(1, 261755276), (2, 130877638), (4, 65438819), (29, 9026044), (43, 6087332), (58, 4513022), (86, 3043666), (97, 2698508), (116, 2256511), (172, 1521833), (194, 1349254), (388, 674627), (541, 483836), (1082, 241918), (1247, 209908), (2164, 120959), (2494, 104954), (2813, 93052), (4171, 62756), (4988, 52477), (5626, 46526), (8342, 31378), (11252, 23263), (15689, 16684)]