67640972

素因数分解:

$2^2\times 7^4\times {\mathrm{7043}}^1$

素因数の和:7075

約数の個数: 30

約数和(自身を含む): 138111708

約数和(自身を除く): 70470736

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 7043, 9604, 14086, 28172, 49301, 98602, 197204, 345107, 690214, 1380428, 2415749, 4831498, 9662996, 16910243, 33820486, 67640972]

約数ペア:

[(1, 67640972), (2, 33820486), (4, 16910243), (7, 9662996), (14, 4831498), (28, 2415749), (49, 1380428), (98, 690214), (196, 345107), (343, 197204), (686, 98602), (1372, 49301), (2401, 28172), (4802, 14086), (7043, 9604)]