28175528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 31336792

約数列:

[1, 2, 4, 8, 17, 31, 34, 41, 62, 68, 82, 124, 136, 163, 164, 248, 326, 328, 527, 652, 697, 1054, 1271, 1304, 1394, 2108, 2542, 2771, 2788, 4216, 5053, 5084, 5542, 5576, 6683, 10106, 10168, 11084, 13366, 20212, 21607, 22168, 26732, 40424, 43214, 53464, 85901, 86428, 113611, 171802, 172856, 207173, 227222, 343604, 414346, 454444, 687208, 828692, 908888, 1657384, 3521941, 7043882, 14087764, 28175528]

約数ペア:

[(1, 28175528), (2, 14087764), (4, 7043882), (8, 3521941), (17, 1657384), (31, 908888), (34, 828692), (41, 687208), (62, 454444), (68, 414346), (82, 343604), (124, 227222), (136, 207173), (163, 172856), (164, 171802), (248, 113611), (326, 86428), (328, 85901), (527, 53464), (652, 43214), (697, 40424), (1054, 26732), (1271, 22168), (1304, 21607), (1394, 20212), (2108, 13366), (2542, 11084), (2771, 10168), (2788, 10106), (4216, 6683), (5053, 5576), (5084, 5542)]