128587756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2083}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 260483328

約数和(自身を除く): 131895572

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 61, 92, 122, 244, 253, 506, 671, 1012, 1342, 1403, 2083, 2684, 2806, 4166, 5612, 8332, 15433, 22913, 30866, 45826, 47909, 61732, 91652, 95818, 127063, 191636, 254126, 508252, 526999, 1053998, 1397693, 2107996, 2795386, 2922449, 5590772, 5844898, 11689796, 32146939, 64293878, 128587756]

約数ペア:

[(1, 128587756), (2, 64293878), (4, 32146939), (11, 11689796), (22, 5844898), (23, 5590772), (44, 2922449), (46, 2795386), (61, 2107996), (92, 1397693), (122, 1053998), (244, 526999), (253, 508252), (506, 254126), (671, 191636), (1012, 127063), (1342, 95818), (1403, 91652), (2083, 61732), (2684, 47909), (2806, 45826), (4166, 30866), (5612, 22913), (8332, 15433)]