28979951

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 41741568

約数和(自身を除く): 12761617

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 131, 143, 169, 187, 221, 917, 1001, 1183, 1309, 1441, 1547, 1703, 1859, 2227, 2431, 2873, 10087, 11921, 13013, 15589, 17017, 18733, 20111, 22139, 24497, 28951, 31603, 131131, 154973, 171479, 202657, 221221, 243529, 318461, 376363, 1704703, 2229227, 2634541, 4139993, 28979951]

約数ペア:

[(1, 28979951), (7, 4139993), (11, 2634541), (13, 2229227), (17, 1704703), (77, 376363), (91, 318461), (119, 243529), (131, 221221), (143, 202657), (169, 171479), (187, 154973), (221, 131131), (917, 31603), (1001, 28951), (1183, 24497), (1309, 22139), (1441, 20111), (1547, 18733), (1703, 17017), (1859, 15589), (2227, 13013), (2431, 11921), (2873, 10087)]