81097197412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1259821}}^1$

素因数の和:1259873

約数の個数: 72

約数和(自身を含む): 187663085120

約数和(自身を除く): 106565887708

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 418, 484, 532, 836, 847, 1463, 1694, 2299, 2926, 3388, 4598, 5852, 9196, 16093, 32186, 64372, 1259821, 2519642, 5039284, 8818747, 13858031, 17637494, 23936599, 27716062, 35274988, 47873198, 55432124, 95746396, 97006217, 152438341, 167556193, 194012434, 263302589, 304876682, 335112386, 388024868, 526605178, 609753364, 670224772, 1053210356, 1067068387, 1843118123, 2134136774, 2896328479, 3686236246, 4268273548, 5792656958, 7372472492, 11585313916, 20274299353, 40548598706, 81097197412]

約数ペア:

[(1, 81097197412), (2, 40548598706), (4, 20274299353), (7, 11585313916), (11, 7372472492), (14, 5792656958), (19, 4268273548), (22, 3686236246), (28, 2896328479), (38, 2134136774), (44, 1843118123), (76, 1067068387), (77, 1053210356), (121, 670224772), (133, 609753364), (154, 526605178), (209, 388024868), (242, 335112386), (266, 304876682), (308, 263302589), (418, 194012434), (484, 167556193), (532, 152438341), (836, 97006217), (847, 95746396), (1463, 55432124), (1694, 47873198), (2299, 35274988), (2926, 27716062), (3388, 23936599), (4598, 17637494), (5852, 13858031), (9196, 8818747), (16093, 5039284), (32186, 2519642), (64372, 1259821)]