81354676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^2$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 156132228

約数和(自身を除く): 74777552

約数列:

[1, 2, 4, 13, 26, 52, 97, 127, 194, 254, 388, 508, 1261, 1651, 2522, 3302, 5044, 6604, 12319, 16129, 24638, 32258, 49276, 64516, 160147, 209677, 320294, 419354, 640588, 838708, 1564513, 3129026, 6258052, 20338669, 40677338, 81354676]

約数ペア:

[(1, 81354676), (2, 40677338), (4, 20338669), (13, 6258052), (26, 3129026), (52, 1564513), (97, 838708), (127, 640588), (194, 419354), (254, 320294), (388, 209677), (508, 160147), (1261, 64516), (1651, 49276), (2522, 32258), (3302, 24638), (5044, 16129), (6604, 12319)]