28456636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 56197120

約数和(自身を除く): 27740484

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 127, 139, 254, 278, 403, 508, 556, 806, 1612, 1651, 1807, 3302, 3614, 3937, 4309, 6604, 7228, 7874, 8618, 15748, 17236, 17653, 35306, 51181, 56017, 70612, 102362, 112034, 204724, 224068, 229489, 458978, 547243, 917956, 1094486, 2188972, 7114159, 14228318, 28456636]

約数ペア:

[(1, 28456636), (2, 14228318), (4, 7114159), (13, 2188972), (26, 1094486), (31, 917956), (52, 547243), (62, 458978), (124, 229489), (127, 224068), (139, 204724), (254, 112034), (278, 102362), (403, 70612), (508, 56017), (556, 51181), (806, 35306), (1612, 17653), (1651, 17236), (1807, 15748), (3302, 8618), (3614, 7874), (3937, 7228), (4309, 6604)]