263408336

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{6967}}^1$

素因数の和:7131

約数の個数: 40

約数和(自身を含む): 544340160

約数和(自身を除く): 280931824

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 272, 278, 556, 1112, 2224, 2363, 4726, 6967, 9452, 13934, 18904, 27868, 37808, 55736, 111472, 118439, 236878, 473756, 947512, 968413, 1895024, 1936826, 3873652, 7747304, 15494608, 16463021, 32926042, 65852084, 131704168, 263408336]

約数ペア:

[(1, 263408336), (2, 131704168), (4, 65852084), (8, 32926042), (16, 16463021), (17, 15494608), (34, 7747304), (68, 3873652), (136, 1936826), (139, 1895024), (272, 968413), (278, 947512), (556, 473756), (1112, 236878), (2224, 118439), (2363, 111472), (4726, 55736), (6967, 37808), (9452, 27868), (13934, 18904)]