215523728

素因数分解:

$2^4\times 7^1\times {\mathrm{277}}^1\times {\mathrm{6947}}^1$

素因数の和:7239

約数の個数: 40

約数和(自身を含む): 479022912

約数和(自身を除く): 263499184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 277, 554, 1108, 1939, 2216, 3878, 4432, 6947, 7756, 13894, 15512, 27788, 31024, 48629, 55576, 97258, 111152, 194516, 389032, 778064, 1924319, 3848638, 7697276, 13470233, 15394552, 26940466, 30789104, 53880932, 107761864, 215523728]

約数ペア:

[(1, 215523728), (2, 107761864), (4, 53880932), (7, 30789104), (8, 26940466), (14, 15394552), (16, 13470233), (28, 7697276), (56, 3848638), (112, 1924319), (277, 778064), (554, 389032), (1108, 194516), (1939, 111152), (2216, 97258), (3878, 55576), (4432, 48629), (6947, 31024), (7756, 27788), (13894, 15512)]