289993106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4789}}^1$

素因数の和:4958

約数の個数: 32

約数和(自身を含む): 499731120

約数和(自身を除く): 209738014

約数列:

[1, 2, 13, 17, 26, 34, 137, 221, 274, 442, 1781, 2329, 3562, 4658, 4789, 9578, 30277, 60554, 62257, 81413, 124514, 162826, 656093, 1058369, 1312186, 2116738, 8529209, 11153581, 17058418, 22307162, 144996553, 289993106]

約数ペア:

[(1, 289993106), (2, 144996553), (13, 22307162), (17, 17058418), (26, 11153581), (34, 8529209), (137, 2116738), (221, 1312186), (274, 1058369), (442, 656093), (1781, 162826), (2329, 124514), (3562, 81413), (4658, 62257), (4789, 60554), (9578, 30277)]