129291656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1109}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 279720000

約数和(自身を除く): 150428344

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 59, 76, 104, 118, 152, 236, 247, 472, 494, 767, 988, 1109, 1121, 1534, 1976, 2218, 2242, 3068, 4436, 4484, 6136, 8872, 8968, 14417, 14573, 21071, 28834, 29146, 42142, 57668, 58292, 65431, 84284, 115336, 116584, 130862, 168568, 261724, 273923, 523448, 547846, 850603, 1095692, 1243189, 1701206, 2191384, 2486378, 3402412, 4972756, 6804824, 9945512, 16161457, 32322914, 64645828, 129291656]

約数ペア:

[(1, 129291656), (2, 64645828), (4, 32322914), (8, 16161457), (13, 9945512), (19, 6804824), (26, 4972756), (38, 3402412), (52, 2486378), (59, 2191384), (76, 1701206), (104, 1243189), (118, 1095692), (152, 850603), (236, 547846), (247, 523448), (472, 273923), (494, 261724), (767, 168568), (988, 130862), (1109, 116584), (1121, 115336), (1534, 84284), (1976, 65431), (2218, 58292), (2242, 57668), (3068, 42142), (4436, 29146), (4484, 28834), (6136, 21071), (8872, 14573), (8968, 14417)]