131884168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2153}}^1$

素因数の和:2222

約数の個数: 64

約数和(自身を含む): 289497600

約数和(自身を除く): 157613432

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 403, 494, 589, 806, 988, 1178, 1612, 1976, 2153, 2356, 3224, 4306, 4712, 7657, 8612, 15314, 17224, 27989, 30628, 40907, 55978, 61256, 66743, 81814, 111956, 133486, 163628, 223912, 266972, 327256, 531791, 533944, 867659, 1063582, 1268117, 1735318, 2127164, 2536234, 3470636, 4254328, 5072468, 6941272, 10144936, 16485521, 32971042, 65942084, 131884168]

約数ペア:

[(1, 131884168), (2, 65942084), (4, 32971042), (8, 16485521), (13, 10144936), (19, 6941272), (26, 5072468), (31, 4254328), (38, 3470636), (52, 2536234), (62, 2127164), (76, 1735318), (104, 1268117), (124, 1063582), (152, 867659), (247, 533944), (248, 531791), (403, 327256), (494, 266972), (589, 223912), (806, 163628), (988, 133486), (1178, 111956), (1612, 81814), (1976, 66743), (2153, 61256), (2356, 55978), (3224, 40907), (4306, 30628), (4712, 27989), (7657, 17224), (8612, 15314)]