3989964368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{19961}}^1$

素因数の和:20044

約数の個数: 60

約数和(自身を含む): 8602863444

約数和(自身を除く): 4612899076

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 961, 1612, 1922, 3224, 3844, 6448, 7688, 12493, 15376, 19961, 24986, 39922, 49972, 79844, 99944, 159688, 199888, 259493, 319376, 518986, 618791, 1037972, 1237582, 2075944, 2475164, 4151888, 4950328, 8044283, 9900656, 16088566, 19182521, 32177132, 38365042, 64354264, 76730084, 128708528, 153460168, 249372773, 306920336, 498745546, 997491092, 1994982184, 3989964368]

約数ペア:

[(1, 3989964368), (2, 1994982184), (4, 997491092), (8, 498745546), (13, 306920336), (16, 249372773), (26, 153460168), (31, 128708528), (52, 76730084), (62, 64354264), (104, 38365042), (124, 32177132), (208, 19182521), (248, 16088566), (403, 9900656), (496, 8044283), (806, 4950328), (961, 4151888), (1612, 2475164), (1922, 2075944), (3224, 1237582), (3844, 1037972), (6448, 618791), (7688, 518986), (12493, 319376), (15376, 259493), (19961, 199888), (24986, 159688), (39922, 99944), (49972, 79844)]