638862016

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{767863}}^1$

素因数の和:767888

約数の個数: 28

約数和(自身を含む): 1365262192

約数和(自身を除く): 726400176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 767863, 1535726, 3071452, 6142904, 9982219, 12285808, 19964438, 24571616, 39928876, 49143232, 79857752, 159715504, 319431008, 638862016]

約数ペア:

[(1, 638862016), (2, 319431008), (4, 159715504), (8, 79857752), (13, 49143232), (16, 39928876), (26, 24571616), (32, 19964438), (52, 12285808), (64, 9982219), (104, 6142904), (208, 3071452), (416, 1535726), (832, 767863)]