128348728

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{1907}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 247276800

約数和(自身を除く): 118928072

約数列:

[1, 2, 4, 8, 47, 94, 179, 188, 358, 376, 716, 1432, 1907, 3814, 7628, 8413, 15256, 16826, 33652, 67304, 89629, 179258, 341353, 358516, 682706, 717032, 1365412, 2730824, 16043591, 32087182, 64174364, 128348728]

約数ペア:

[(1, 128348728), (2, 64174364), (4, 32087182), (8, 16043591), (47, 2730824), (94, 1365412), (179, 717032), (188, 682706), (358, 358516), (376, 341353), (716, 179258), (1432, 89629), (1907, 67304), (3814, 33652), (7628, 16826), (8413, 15256)]