64720124

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{34499}}^1$

素因数の和:34577

約数の個数: 24

約数和(自身を含む): 131376000

約数和(自身を除く): 66655876

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 34499, 68998, 137996, 241493, 482986, 965972, 2311433, 4622866, 9245732, 16180031, 32360062, 64720124]

約数ペア:

[(1, 64720124), (2, 32360062), (4, 16180031), (7, 9245732), (14, 4622866), (28, 2311433), (67, 965972), (134, 482986), (268, 241493), (469, 137996), (938, 68998), (1876, 34499)]