28851186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1075

約数の個数: 64

約数和(自身を含む): 72430848

約数和(自身を除く): 43579662

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 742, 997, 1113, 1378, 1994, 2067, 2226, 2991, 4134, 4823, 5982, 6979, 9646, 12961, 13958, 14469, 20937, 25922, 28938, 38883, 41874, 52841, 77766, 90727, 105682, 158523, 181454, 272181, 317046, 369887, 544362, 686933, 739774, 1109661, 1373866, 2060799, 2219322, 4121598, 4808531, 9617062, 14425593, 28851186]

約数ペア:

[(1, 28851186), (2, 14425593), (3, 9617062), (6, 4808531), (7, 4121598), (13, 2219322), (14, 2060799), (21, 1373866), (26, 1109661), (39, 739774), (42, 686933), (53, 544362), (78, 369887), (91, 317046), (106, 272181), (159, 181454), (182, 158523), (273, 105682), (318, 90727), (371, 77766), (546, 52841), (689, 41874), (742, 38883), (997, 28938), (1113, 25922), (1378, 20937), (1994, 14469), (2067, 13958), (2226, 12961), (2991, 9646), (4134, 6979), (4823, 5982)]