28882756

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 63201600

約数和(自身を除く): 34318844

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 49, 86, 92, 98, 149, 161, 172, 196, 298, 301, 322, 596, 602, 644, 989, 1043, 1127, 1204, 1978, 2086, 2107, 2254, 3427, 3956, 4172, 4214, 4508, 6407, 6854, 6923, 7301, 8428, 12814, 13708, 13846, 14602, 23989, 25628, 27692, 29204, 44849, 47978, 48461, 89698, 95956, 96922, 147361, 167923, 179396, 193844, 294722, 313943, 335846, 589444, 627886, 671692, 1031527, 1255772, 2063054, 4126108, 7220689, 14441378, 28882756]

約数ペア:

[(1, 28882756), (2, 14441378), (4, 7220689), (7, 4126108), (14, 2063054), (23, 1255772), (28, 1031527), (43, 671692), (46, 627886), (49, 589444), (86, 335846), (92, 313943), (98, 294722), (149, 193844), (161, 179396), (172, 167923), (196, 147361), (298, 96922), (301, 95956), (322, 89698), (596, 48461), (602, 47978), (644, 44849), (989, 29204), (1043, 27692), (1127, 25628), (1204, 23989), (1978, 14602), (2086, 13846), (2107, 13708), (2254, 12814), (3427, 8428), (3956, 7301), (4172, 6923), (4214, 6854), (4508, 6407)]