77739178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 130232448

約数和(自身を除く): 52493270

約数列:

[1, 2, 11, 22, 71, 142, 157, 314, 317, 634, 781, 1562, 1727, 3454, 3487, 6974, 11147, 22294, 22507, 45014, 49769, 99538, 122617, 245234, 247577, 495154, 547459, 1094918, 3533599, 7067198, 38869589, 77739178]

約数ペア:

[(1, 77739178), (2, 38869589), (11, 7067198), (22, 3533599), (71, 1094918), (142, 547459), (157, 495154), (314, 247577), (317, 245234), (634, 122617), (781, 99538), (1562, 49769), (1727, 45014), (3454, 22507), (3487, 22294), (6974, 11147)]