15105688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{431}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 30663360

約数和(自身を除く): 15557672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 337, 431, 674, 862, 1348, 1724, 2696, 3448, 4381, 5603, 8762, 11206, 17524, 22412, 35048, 44824, 145247, 290494, 580988, 1161976, 1888211, 3776422, 7552844, 15105688]

約数ペア:

[(1, 15105688), (2, 7552844), (4, 3776422), (8, 1888211), (13, 1161976), (26, 580988), (52, 290494), (104, 145247), (337, 44824), (431, 35048), (674, 22412), (862, 17524), (1348, 11206), (1724, 8762), (2696, 5603), (3448, 4381)]