71856784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 157132800

約数和(自身を除く): 85276016

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 43, 46, 76, 86, 92, 152, 172, 184, 239, 304, 344, 368, 437, 478, 688, 817, 874, 956, 989, 1634, 1748, 1912, 1978, 3268, 3496, 3824, 3956, 4541, 5497, 6536, 6992, 7912, 9082, 10277, 10994, 13072, 15824, 18164, 18791, 20554, 21988, 36328, 37582, 41108, 43976, 72656, 75164, 82216, 87952, 104443, 150328, 164432, 195263, 208886, 236371, 300656, 390526, 417772, 472742, 781052, 835544, 945484, 1562104, 1671088, 1890968, 3124208, 3781936, 4491049, 8982098, 17964196, 35928392, 71856784]

約数ペア:

[(1, 71856784), (2, 35928392), (4, 17964196), (8, 8982098), (16, 4491049), (19, 3781936), (23, 3124208), (38, 1890968), (43, 1671088), (46, 1562104), (76, 945484), (86, 835544), (92, 781052), (152, 472742), (172, 417772), (184, 390526), (239, 300656), (304, 236371), (344, 208886), (368, 195263), (437, 164432), (478, 150328), (688, 104443), (817, 87952), (874, 82216), (956, 75164), (989, 72656), (1634, 43976), (1748, 41108), (1912, 37582), (1978, 36328), (3268, 21988), (3496, 20554), (3824, 18791), (3956, 18164), (4541, 15824), (5497, 13072), (6536, 10994), (6992, 10277), (7912, 9082)]