89987261

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 119813760

約数和(自身を除く): 29826499

約数列:

[1, 7, 13, 29, 43, 61, 91, 169, 203, 301, 377, 427, 559, 793, 1183, 1247, 1769, 2623, 2639, 3913, 4901, 5551, 7267, 8729, 10309, 12383, 16211, 18361, 22997, 34099, 34307, 50869, 72163, 76067, 113477, 160979, 210743, 238693, 298961, 443287, 532469, 988871, 1475201, 2092727, 3103009, 6922097, 12855323, 89987261]

約数ペア:

[(1, 89987261), (7, 12855323), (13, 6922097), (29, 3103009), (43, 2092727), (61, 1475201), (91, 988871), (169, 532469), (203, 443287), (301, 298961), (377, 238693), (427, 210743), (559, 160979), (793, 113477), (1183, 76067), (1247, 72163), (1769, 50869), (2623, 34307), (2639, 34099), (3913, 22997), (4901, 18361), (5551, 16211), (7267, 12383), (8729, 10309)]