198588728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1987}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 414557640

約数和(自身を除く): 215968912

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 961, 1612, 1922, 1987, 3224, 3844, 3974, 7688, 7948, 12493, 15896, 24986, 25831, 49972, 51662, 61597, 99944, 103324, 123194, 206648, 246388, 492776, 800761, 1601522, 1909507, 3203044, 3819014, 6406088, 7638028, 15276056, 24823591, 49647182, 99294364, 198588728]

約数ペア:

[(1, 198588728), (2, 99294364), (4, 49647182), (8, 24823591), (13, 15276056), (26, 7638028), (31, 6406088), (52, 3819014), (62, 3203044), (104, 1909507), (124, 1601522), (248, 800761), (403, 492776), (806, 246388), (961, 206648), (1612, 123194), (1922, 103324), (1987, 99944), (3224, 61597), (3844, 51662), (3974, 49972), (7688, 25831), (7948, 24986), (12493, 15896)]