81625128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261619}}^1$

素因数の和:261641

約数の個数: 32

約数和(自身を含む): 219760800

約数和(自身を除く): 138135672

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 261619, 523238, 784857, 1046476, 1569714, 2092952, 3139428, 3401047, 6278856, 6802094, 10203141, 13604188, 20406282, 27208376, 40812564, 81625128]

約数ペア:

[(1, 81625128), (2, 40812564), (3, 27208376), (4, 20406282), (6, 13604188), (8, 10203141), (12, 6802094), (13, 6278856), (24, 3401047), (26, 3139428), (39, 2092952), (52, 1569714), (78, 1046476), (104, 784857), (156, 523238), (312, 261619)]