81720044

素因数分解:

$2^2\times 7^2\times {\mathrm{293}}^1\times {\mathrm{1423}}^1$

素因数の和:1734

約数の個数: 36

約数和(自身を含む): 167043744

約数和(自身を除く): 85323700

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 293, 586, 1172, 1423, 2051, 2846, 4102, 5692, 8204, 9961, 14357, 19922, 28714, 39844, 57428, 69727, 139454, 278908, 416939, 833878, 1667756, 2918573, 5837146, 11674292, 20430011, 40860022, 81720044]

約数ペア:

[(1, 81720044), (2, 40860022), (4, 20430011), (7, 11674292), (14, 5837146), (28, 2918573), (49, 1667756), (98, 833878), (196, 416939), (293, 278908), (586, 139454), (1172, 69727), (1423, 57428), (2051, 39844), (2846, 28714), (4102, 19922), (5692, 14357), (8204, 9961)]