128779986

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{1709}}^1$

素因数の和:2394

約数の個数: 32

約数和(自身を含む): 271684800

約数和(自身を除く): 142904814

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 661, 1322, 1709, 1983, 3418, 3966, 5127, 10254, 12559, 25118, 32471, 37677, 64942, 75354, 97413, 194826, 1129649, 2259298, 3388947, 6777894, 21463331, 42926662, 64389993, 128779986]

約数ペア:

[(1, 128779986), (2, 64389993), (3, 42926662), (6, 21463331), (19, 6777894), (38, 3388947), (57, 2259298), (114, 1129649), (661, 194826), (1322, 97413), (1709, 75354), (1983, 64942), (3418, 37677), (3966, 32471), (5127, 25118), (10254, 12559)]