199664088

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{639949}}^1$

素因数の和:639971

約数の個数: 32

約数和(自身を含む): 537558000

約数和(自身を除く): 337893912

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 639949, 1279898, 1919847, 2559796, 3839694, 5119592, 7679388, 8319337, 15358776, 16638674, 24958011, 33277348, 49916022, 66554696, 99832044, 199664088]

約数ペア:

[(1, 199664088), (2, 99832044), (3, 66554696), (4, 49916022), (6, 33277348), (8, 24958011), (12, 16638674), (13, 15358776), (24, 8319337), (26, 7679388), (39, 5119592), (52, 3839694), (78, 2559796), (104, 1919847), (156, 1279898), (312, 639949)]