28749968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2063}}^1$

素因数の和:2151

約数の個数: 40

約数和(自身を含む): 60912768

約数和(自身を除く): 32162800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 2063, 3484, 4126, 6968, 8252, 13936, 16504, 26819, 33008, 53638, 107276, 138221, 214552, 276442, 429104, 552884, 1105768, 1796873, 2211536, 3593746, 7187492, 14374984, 28749968]

約数ペア:

[(1, 28749968), (2, 14374984), (4, 7187492), (8, 3593746), (13, 2211536), (16, 1796873), (26, 1105768), (52, 552884), (67, 429104), (104, 276442), (134, 214552), (208, 138221), (268, 107276), (536, 53638), (871, 33008), (1072, 26819), (1742, 16504), (2063, 13936), (3484, 8252), (4126, 6968)]