31328752

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21517}}^1$

素因数の和:21545

約数の個数: 40

約数和(自身を含む): 74710496

約数和(自身を除く): 43381744

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 21517, 43034, 86068, 150619, 172136, 279721, 301238, 344272, 559442, 602476, 1118884, 1204952, 1958047, 2237768, 2409904, 3916094, 4475536, 7832188, 15664376, 31328752]

約数ペア:

[(1, 31328752), (2, 15664376), (4, 7832188), (7, 4475536), (8, 3916094), (13, 2409904), (14, 2237768), (16, 1958047), (26, 1204952), (28, 1118884), (52, 602476), (56, 559442), (91, 344272), (104, 301238), (112, 279721), (182, 172136), (208, 150619), (364, 86068), (728, 43034), (1456, 21517)]