28843984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1373}}^1$

素因数の和:1495

約数の個数: 40

約数和(自身を含む): 60824232

約数和(自身を除く): 31980248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1373, 1616, 2626, 2746, 5252, 5492, 10504, 10984, 17849, 21008, 21968, 35698, 71396, 138673, 142792, 277346, 285584, 554692, 1109384, 1802749, 2218768, 3605498, 7210996, 14421992, 28843984]

約数ペア:

[(1, 28843984), (2, 14421992), (4, 7210996), (8, 3605498), (13, 2218768), (16, 1802749), (26, 1109384), (52, 554692), (101, 285584), (104, 277346), (202, 142792), (208, 138673), (404, 71396), (808, 35698), (1313, 21968), (1373, 21008), (1616, 17849), (2626, 10984), (2746, 10504), (5252, 5492)]