12811909775

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{7907}}^1$

素因数の和:8168

約数の個数: 48

約数和(自身を含む): 18639092736

約数和(自身を除く): 5827182961

約数列:

[1, 5, 7, 25, 35, 47, 175, 197, 235, 329, 985, 1175, 1379, 1645, 4925, 6895, 7907, 8225, 9259, 34475, 39535, 46295, 55349, 64813, 197675, 231475, 276745, 324065, 371629, 1383725, 1557679, 1620325, 1858145, 2601403, 7788395, 9290725, 10903753, 13007015, 38941975, 54518765, 65035075, 73210913, 272593825, 366054565, 512476391, 1830272825, 2562381955, 12811909775]

約数ペア:

[(1, 12811909775), (5, 2562381955), (7, 1830272825), (25, 512476391), (35, 366054565), (47, 272593825), (175, 73210913), (197, 65035075), (235, 54518765), (329, 38941975), (985, 13007015), (1175, 10903753), (1379, 9290725), (1645, 7788395), (4925, 2601403), (6895, 1858145), (7907, 1620325), (8225, 1557679), (9259, 1383725), (34475, 371629), (39535, 324065), (46295, 276745), (55349, 231475), (64813, 197675)]