51988976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{249947}}^1$

素因数の和:249968

約数の個数: 20

約数和(自身を含む): 108477432

約数和(自身を除く): 56488456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 249947, 499894, 999788, 1999576, 3249311, 3999152, 6498622, 12997244, 25994488, 51988976]

約数ペア:

[(1, 51988976), (2, 25994488), (4, 12997244), (8, 6498622), (13, 3999152), (16, 3249311), (26, 1999576), (52, 999788), (104, 499894), (208, 249947)]