678678.0000000

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 13104000

約数和(自身を除く): 8819928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 69, 72, 78, 92, 104, 117, 138, 156, 184, 199, 207, 234, 276, 299, 312, 398, 414, 468, 552, 597, 598, 796, 828, 897, 936, 1194, 1196, 1592, 1656, 1791, 1794, 2388, 2392, 2587, 2691, 3582, 3588, 4577, 4776, 5174, 5382, 7164, 7176, 7761, 9154, 10348, 10764, 13731, 14328, 15522, 18308, 20696, 21528, 23283, 27462, 31044, 36616, 41193, 46566, 54924, 59501, 62088, 82386, 93132, 109848, 119002, 164772, 178503, 186264, 238004, 329544, 357006, 476008, 535509, 714012, 1071018, 1428024, 2142036, 4284072]

約数ペア:

[(1, 4284072), (2, 2142036), (3, 1428024), (4, 1071018), (6, 714012), (8, 535509), (9, 476008), (12, 357006), (13, 329544), (18, 238004), (23, 186264), (24, 178503), (26, 164772), (36, 119002), (39, 109848), (46, 93132), (52, 82386), (69, 62088), (72, 59501), (78, 54924), (92, 46566), (104, 41193), (117, 36616), (138, 31044), (156, 27462), (184, 23283), (199, 21528), (207, 20696), (234, 18308), (276, 15522), (299, 14328), (312, 13731), (398, 10764), (414, 10348), (468, 9154), (552, 7761), (597, 7176), (598, 7164), (796, 5382), (828, 5174), (897, 4776), (936, 4577), (1194, 3588), (1196, 3582), (1592, 2691), (1656, 2587), (1791, 2392), (1794, 2388)]