1285744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 40

約数和(自身を含む): 2745360

約数和(自身を除く): 1459616

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 163, 232, 272, 326, 464, 493, 652, 986, 1304, 1972, 2608, 2771, 3944, 4727, 5542, 7888, 9454, 11084, 18908, 22168, 37816, 44336, 75632, 80359, 160718, 321436, 642872, 1285744]

約数ペア:

[(1, 1285744), (2, 642872), (4, 321436), (8, 160718), (16, 80359), (17, 75632), (29, 44336), (34, 37816), (58, 22168), (68, 18908), (116, 11084), (136, 9454), (163, 7888), (232, 5542), (272, 4727), (326, 3944), (464, 2771), (493, 2608), (652, 1972), (986, 1304)]