51989470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{30763}}^1$

素因数の和:30796

約数の個数: 24

約数和(自身を含む): 101336616

約数和(自身を除く): 49347146

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 30763, 61526, 153815, 307630, 399919, 799838, 1999595, 3999190, 5198947, 10397894, 25994735, 51989470]

約数ペア:

[(1, 51989470), (2, 25994735), (5, 10397894), (10, 5198947), (13, 3999190), (26, 1999595), (65, 799838), (130, 399919), (169, 307630), (338, 153815), (845, 61526), (1690, 30763)]