518293867

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{683}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 661893120

約数和(自身を除く): 143599253

約数列:

[1, 7, 13, 31, 91, 217, 269, 403, 683, 1883, 2821, 3497, 4781, 8339, 8879, 21173, 24479, 58373, 62153, 108407, 148211, 183727, 275249, 758849, 1286089, 1926743, 2388451, 5695537, 16719157, 39868759, 74041981, 518293867]

約数ペア:

[(1, 518293867), (7, 74041981), (13, 39868759), (31, 16719157), (91, 5695537), (217, 2388451), (269, 1926743), (403, 1286089), (683, 758849), (1883, 275249), (2821, 183727), (3497, 148211), (4781, 108407), (8339, 62153), (8879, 58373), (21173, 24479)]