129284728

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 259722000

約数和(自身を除く): 130437272

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 281, 289, 398, 562, 578, 796, 1124, 1156, 1592, 2248, 2312, 3383, 4777, 6766, 9554, 13532, 19108, 27064, 38216, 55919, 57511, 81209, 111838, 115022, 162418, 223676, 230044, 324836, 447352, 460088, 649672, 950623, 1901246, 3802492, 7604984, 16160591, 32321182, 64642364, 129284728]

約数ペア:

[(1, 129284728), (2, 64642364), (4, 32321182), (8, 16160591), (17, 7604984), (34, 3802492), (68, 1901246), (136, 950623), (199, 649672), (281, 460088), (289, 447352), (398, 324836), (562, 230044), (578, 223676), (796, 162418), (1124, 115022), (1156, 111838), (1592, 81209), (2248, 57511), (2312, 55919), (3383, 38216), (4777, 27064), (6766, 19108), (9554, 13532)]