199922723

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 284497920

約数和(自身を除く): 84575197

約数列:

[1, 7, 11, 13, 29, 71, 77, 91, 97, 143, 203, 319, 377, 497, 679, 781, 923, 1001, 1067, 1261, 2059, 2233, 2639, 2813, 4147, 5467, 6461, 6887, 7469, 8827, 10153, 13871, 14413, 19691, 22649, 26767, 29029, 30943, 36569, 48209, 71071, 75757, 89531, 97097, 158543, 187369, 199723, 216601, 255983, 294437, 402259, 530299, 626717, 984841, 1398061, 2061059, 2196953, 2596399, 2815813, 6893887, 15378671, 18174793, 28560389, 199922723]

約数ペア:

[(1, 199922723), (7, 28560389), (11, 18174793), (13, 15378671), (29, 6893887), (71, 2815813), (77, 2596399), (91, 2196953), (97, 2061059), (143, 1398061), (203, 984841), (319, 626717), (377, 530299), (497, 402259), (679, 294437), (781, 255983), (923, 216601), (1001, 199723), (1067, 187369), (1261, 158543), (2059, 97097), (2233, 89531), (2639, 75757), (2813, 71071), (4147, 48209), (5467, 36569), (6461, 30943), (6887, 29029), (7469, 26767), (8827, 22649), (10153, 19691), (13871, 14413)]