81604124

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{43499}}^1$

素因数の和:43577

約数の個数: 24

約数和(自身を含む): 165648000

約数和(自身を除く): 84043876

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 43499, 86998, 173996, 304493, 608986, 1217972, 2914433, 5828866, 11657732, 20401031, 40802062, 81604124]

約数ペア:

[(1, 81604124), (2, 40802062), (4, 20401031), (7, 11657732), (14, 5828866), (28, 2914433), (67, 1217972), (134, 608986), (268, 304493), (469, 173996), (938, 86998), (1876, 43499)]