64499470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3671}}^1$

素因数の和:3936

約数の個数: 32

約数和(自身を含む): 133249536

約数和(自身を除く): 68750066

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1757, 2510, 3514, 3671, 7342, 8785, 17570, 18355, 25697, 36710, 51394, 128485, 256970, 921421, 1842842, 4607105, 6449947, 9214210, 12899894, 32249735, 64499470]

約数ペア:

[(1, 64499470), (2, 32249735), (5, 12899894), (7, 9214210), (10, 6449947), (14, 4607105), (35, 1842842), (70, 921421), (251, 256970), (502, 128485), (1255, 51394), (1757, 36710), (2510, 25697), (3514, 18355), (3671, 17570), (7342, 8785)]