131231152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{630919}}^1$

素因数の和:630940

約数の個数: 20

約数和(自身を含む): 273819280

約数和(自身を除く): 142588128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 630919, 1261838, 2523676, 5047352, 8201947, 10094704, 16403894, 32807788, 65615576, 131231152]

約数ペア:

[(1, 131231152), (2, 65615576), (4, 32807788), (8, 16403894), (13, 10094704), (16, 8201947), (26, 5047352), (52, 2523676), (104, 1261838), (208, 630919)]