289418545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{443}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 412493760

約数和(自身を除く): 123075215

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 443, 529, 1235, 1495, 2185, 2215, 2645, 5681, 5759, 6877, 8417, 10051, 10189, 28405, 28795, 34385, 42085, 50255, 50945, 109421, 130663, 132457, 193591, 234347, 547105, 653315, 662285, 967955, 1171735, 2516683, 3046511, 4452593, 12583415, 15232555, 22262965, 57883709, 289418545]

約数ペア:

[(1, 289418545), (5, 57883709), (13, 22262965), (19, 15232555), (23, 12583415), (65, 4452593), (95, 3046511), (115, 2516683), (247, 1171735), (299, 967955), (437, 662285), (443, 653315), (529, 547105), (1235, 234347), (1495, 193591), (2185, 132457), (2215, 130663), (2645, 109421), (5681, 50945), (5759, 50255), (6877, 42085), (8417, 34385), (10051, 28795), (10189, 28405)]