66210788

素因数分解:

$2^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{9421}}^1$

素因数の和:9683

約数の個数: 24

約数和(自身を含む): 132963264

約数和(自身を除く): 66752476

約数列:

[1, 2, 4, 7, 14, 28, 251, 502, 1004, 1757, 3514, 7028, 9421, 18842, 37684, 65947, 131894, 263788, 2364671, 4729342, 9458684, 16552697, 33105394, 66210788]

約数ペア:

[(1, 66210788), (2, 33105394), (4, 16552697), (7, 9458684), (14, 4729342), (28, 2364671), (251, 263788), (502, 131894), (1004, 65947), (1757, 37684), (3514, 18842), (7028, 9421)]