23945272

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 49410000

約数和(自身を除く): 25464728

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 169, 178, 199, 338, 356, 398, 676, 712, 796, 1157, 1352, 1592, 2314, 2587, 4628, 5174, 9256, 10348, 15041, 17711, 20696, 30082, 33631, 35422, 60164, 67262, 70844, 120328, 134524, 141688, 230243, 269048, 460486, 920972, 1841944, 2993159, 5986318, 11972636, 23945272]

約数ペア:

[(1, 23945272), (2, 11972636), (4, 5986318), (8, 2993159), (13, 1841944), (26, 920972), (52, 460486), (89, 269048), (104, 230243), (169, 141688), (178, 134524), (199, 120328), (338, 70844), (356, 67262), (398, 60164), (676, 35422), (712, 33631), (796, 30082), (1157, 20696), (1352, 17711), (1592, 15041), (2314, 10348), (2587, 9256), (4628, 5174)]