81857022

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{4391}}^1$

素因数の和:4648

約数の個数: 32

約数和(自身を含む): 177085440

約数和(自身を除く): 95228418

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239, 478, 717, 1434, 3107, 4391, 6214, 8782, 9321, 13173, 18642, 26346, 57083, 114166, 171249, 342498, 1049449, 2098898, 3148347, 6296694, 13642837, 27285674, 40928511, 81857022]

約数ペア:

[(1, 81857022), (2, 40928511), (3, 27285674), (6, 13642837), (13, 6296694), (26, 3148347), (39, 2098898), (78, 1049449), (239, 342498), (478, 171249), (717, 114166), (1434, 57083), (3107, 26346), (4391, 18642), (6214, 13173), (8782, 9321)]