279436157

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16421}}^1$

素因数の和:16469

約数の個数: 32

約数和(自身を含む): 397281024

約数和(自身を除く): 117844867

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 16421, 17017, 114947, 180631, 213473, 279157, 1264417, 1494311, 1954099, 2348203, 3070727, 3629041, 16437421, 21495089, 25403287, 39919451, 279436157]

約数ペア:

[(1, 279436157), (7, 39919451), (11, 25403287), (13, 21495089), (17, 16437421), (77, 3629041), (91, 3070727), (119, 2348203), (143, 1954099), (187, 1494311), (221, 1264417), (1001, 279157), (1309, 213473), (1547, 180631), (2431, 114947), (16421, 17017)]