81277532

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{9157}}^1$

素因数の和:9485

約数の個数: 24

約数和(自身を含む): 163085664

約数和(自身を除く): 81808132

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2219, 4438, 8876, 9157, 18314, 36628, 64099, 128198, 256396, 2902769, 5805538, 11611076, 20319383, 40638766, 81277532]

約数ペア:

[(1, 81277532), (2, 40638766), (4, 20319383), (7, 11611076), (14, 5805538), (28, 2902769), (317, 256396), (634, 128198), (1268, 64099), (2219, 36628), (4438, 18314), (8876, 9157)]