2557412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 5588352

約数和(自身を除く): 3030940

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 263, 286, 374, 442, 526, 572, 748, 884, 1052, 2431, 2893, 3419, 4471, 4862, 5786, 6838, 8942, 9724, 11572, 13676, 17884, 37609, 49181, 58123, 75218, 98362, 116246, 150436, 196724, 232492, 639353, 1278706, 2557412]

約数ペア:

[(1, 2557412), (2, 1278706), (4, 639353), (11, 232492), (13, 196724), (17, 150436), (22, 116246), (26, 98362), (34, 75218), (44, 58123), (52, 49181), (68, 37609), (143, 17884), (187, 13676), (221, 11572), (263, 9724), (286, 8942), (374, 6838), (442, 5786), (526, 4862), (572, 4471), (748, 3419), (884, 2893), (1052, 2431)]