28797808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{138451}}^1$

素因数の和:138472

約数の個数: 20

約数和(自身を含む): 60088168

約数和(自身を除く): 31290360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 138451, 276902, 553804, 1107608, 1799863, 2215216, 3599726, 7199452, 14398904, 28797808]

約数ペア:

[(1, 28797808), (2, 14398904), (4, 7199452), (8, 3599726), (13, 2215216), (16, 1799863), (26, 1107608), (52, 553804), (104, 276902), (208, 138451)]