12920388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 34187328

約数和(自身を除く): 21266940

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 169, 276, 277, 299, 338, 507, 554, 598, 676, 831, 897, 1014, 1108, 1196, 1662, 1794, 2028, 3324, 3588, 3601, 3887, 6371, 7202, 7774, 10803, 11661, 12742, 14404, 15548, 19113, 21606, 23322, 25484, 38226, 43212, 46644, 46813, 76452, 82823, 93626, 140439, 165646, 187252, 248469, 280878, 331292, 496938, 561756, 993876, 1076699, 2153398, 3230097, 4306796, 6460194, 12920388]

約数ペア:

[(1, 12920388), (2, 6460194), (3, 4306796), (4, 3230097), (6, 2153398), (12, 1076699), (13, 993876), (23, 561756), (26, 496938), (39, 331292), (46, 280878), (52, 248469), (69, 187252), (78, 165646), (92, 140439), (138, 93626), (156, 82823), (169, 76452), (276, 46813), (277, 46644), (299, 43212), (338, 38226), (507, 25484), (554, 23322), (598, 21606), (676, 19113), (831, 15548), (897, 14404), (1014, 12742), (1108, 11661), (1196, 10803), (1662, 7774), (1794, 7202), (2028, 6371), (3324, 3887), (3588, 3601)]