81371892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{968713}}^1$

素因数の和:968727

約数の個数: 24

約数和(自身を含む): 216991936

約数和(自身を除く): 135620044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 968713, 1937426, 2906139, 3874852, 5812278, 6780991, 11624556, 13561982, 20342973, 27123964, 40685946, 81371892]

約数ペア:

[(1, 81371892), (2, 40685946), (3, 27123964), (4, 20342973), (6, 13561982), (7, 11624556), (12, 6780991), (14, 5812278), (21, 3874852), (28, 2906139), (42, 1937426), (84, 968713)]