28485392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136949}}^1$

素因数の和:136970

約数の個数: 20

約数和(自身を含む): 59436300

約数和(自身を除く): 30950908

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136949, 273898, 547796, 1095592, 1780337, 2191184, 3560674, 7121348, 14242696, 28485392]

約数ペア:

[(1, 28485392), (2, 14242696), (4, 7121348), (8, 3560674), (13, 2191184), (16, 1780337), (26, 1095592), (52, 547796), (104, 273898), (208, 136949)]