263326128

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{421997}}^1$

素因数の和:422021

約数の個数: 40

約数和(自身を含む): 732588528

約数和(自身を除く): 469262400

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 421997, 843994, 1265991, 1687988, 2531982, 3375976, 5063964, 5485961, 6751952, 10127928, 10971922, 16457883, 20255856, 21943844, 32915766, 43887688, 65831532, 87775376, 131663064, 263326128]

約数ペア:

[(1, 263326128), (2, 131663064), (3, 87775376), (4, 65831532), (6, 43887688), (8, 32915766), (12, 21943844), (13, 20255856), (16, 16457883), (24, 10971922), (26, 10127928), (39, 6751952), (48, 5485961), (52, 5063964), (78, 3375976), (104, 2531982), (156, 1687988), (208, 1265991), (312, 843994), (624, 421997)]