28725158

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 55974912

約数和(自身を除く): 27249754

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 121, 154, 217, 242, 341, 434, 547, 682, 847, 1094, 1694, 2387, 3751, 3829, 4774, 6017, 7502, 7658, 12034, 16957, 26257, 33914, 42119, 52514, 66187, 84238, 118699, 132374, 186527, 237398, 373054, 463309, 926618, 1305689, 2051797, 2611378, 4103594, 14362579, 28725158]

約数ペア:

[(1, 28725158), (2, 14362579), (7, 4103594), (11, 2611378), (14, 2051797), (22, 1305689), (31, 926618), (62, 463309), (77, 373054), (121, 237398), (154, 186527), (217, 132374), (242, 118699), (341, 84238), (434, 66187), (547, 52514), (682, 42119), (847, 33914), (1094, 26257), (1694, 16957), (2387, 12034), (3751, 7658), (3829, 7502), (4774, 6017)]