78805844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 163487520

約数和(自身を除く): 84681676

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 83, 124, 166, 247, 332, 403, 494, 589, 806, 961, 988, 1079, 1178, 1577, 1612, 1922, 2158, 2356, 2573, 3154, 3844, 4316, 5146, 6308, 7657, 10292, 12493, 15314, 18259, 20501, 24986, 30628, 33449, 36518, 41002, 48887, 49972, 66898, 73036, 79763, 82004, 97774, 133796, 159526, 195548, 237367, 319052, 474734, 635531, 949468, 1036919, 1271062, 1515497, 2073838, 2542124, 3030994, 4147676, 6061988, 19701461, 39402922, 78805844]

約数ペア:

[(1, 78805844), (2, 39402922), (4, 19701461), (13, 6061988), (19, 4147676), (26, 3030994), (31, 2542124), (38, 2073838), (52, 1515497), (62, 1271062), (76, 1036919), (83, 949468), (124, 635531), (166, 474734), (247, 319052), (332, 237367), (403, 195548), (494, 159526), (589, 133796), (806, 97774), (961, 82004), (988, 79763), (1079, 73036), (1178, 66898), (1577, 49972), (1612, 48887), (1922, 41002), (2158, 36518), (2356, 33449), (2573, 30628), (3154, 24986), (3844, 20501), (4316, 18259), (5146, 15314), (6308, 12493), (7657, 10292)]