28721546

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^2$

素因数の和:231

約数の個数: 36

約数和(自身を含む): 52055478

約数和(自身を除く): 23333932

約数列:

[1, 2, 7, 14, 37, 49, 74, 89, 98, 178, 259, 518, 623, 1246, 1813, 3293, 3626, 4361, 6586, 7921, 8722, 15842, 23051, 46102, 55447, 110894, 161357, 293077, 322714, 388129, 586154, 776258, 2051539, 4103078, 14360773, 28721546]

約数ペア:

[(1, 28721546), (2, 14360773), (7, 4103078), (14, 2051539), (37, 776258), (49, 586154), (74, 388129), (89, 322714), (98, 293077), (178, 161357), (259, 110894), (518, 55447), (623, 46102), (1246, 23051), (1813, 15842), (3293, 8722), (3626, 7921), (4361, 6586)]