64702768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1123}}^1$

素因数の和:1421

約数の個数: 40

約数和(自身を含む): 135612848

約数和(自身を除く): 70910080

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 277, 554, 1108, 1123, 2216, 2246, 3601, 4432, 4492, 7202, 8984, 14404, 14599, 17968, 28808, 29198, 57616, 58396, 116792, 233584, 311071, 622142, 1244284, 2488568, 4043923, 4977136, 8087846, 16175692, 32351384, 64702768]

約数ペア:

[(1, 64702768), (2, 32351384), (4, 16175692), (8, 8087846), (13, 4977136), (16, 4043923), (26, 2488568), (52, 1244284), (104, 622142), (208, 311071), (277, 233584), (554, 116792), (1108, 58396), (1123, 57616), (2216, 29198), (2246, 28808), (3601, 17968), (4432, 14599), (4492, 14404), (7202, 8984)]