28391384

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 66977280

約数和(自身を除く): 38585896

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 47, 49, 56, 67, 92, 94, 98, 134, 161, 184, 188, 196, 268, 322, 329, 376, 392, 469, 536, 644, 658, 938, 1081, 1127, 1288, 1316, 1541, 1876, 2162, 2254, 2303, 2632, 3082, 3149, 3283, 3752, 4324, 4508, 4606, 6164, 6298, 6566, 7567, 8648, 9016, 9212, 10787, 12328, 12596, 13132, 15134, 18424, 21574, 22043, 25192, 26264, 30268, 43148, 44086, 52969, 60536, 72427, 75509, 86296, 88172, 105938, 144854, 151018, 154301, 176344, 211876, 289708, 302036, 308602, 423752, 506989, 579416, 604072, 617204, 1013978, 1234408, 2027956, 3548923, 4055912, 7097846, 14195692, 28391384]

約数ペア:

[(1, 28391384), (2, 14195692), (4, 7097846), (7, 4055912), (8, 3548923), (14, 2027956), (23, 1234408), (28, 1013978), (46, 617204), (47, 604072), (49, 579416), (56, 506989), (67, 423752), (92, 308602), (94, 302036), (98, 289708), (134, 211876), (161, 176344), (184, 154301), (188, 151018), (196, 144854), (268, 105938), (322, 88172), (329, 86296), (376, 75509), (392, 72427), (469, 60536), (536, 52969), (644, 44086), (658, 43148), (938, 30268), (1081, 26264), (1127, 25192), (1288, 22043), (1316, 21574), (1541, 18424), (1876, 15134), (2162, 13132), (2254, 12596), (2303, 12328), (2632, 10787), (3082, 9212), (3149, 9016), (3283, 8648), (3752, 7567), (4324, 6566), (4508, 6298), (4606, 6164)]