128973845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 211244544

約数和(自身を除く): 82270699

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 73, 77, 91, 143, 353, 365, 385, 455, 511, 715, 803, 949, 1001, 1765, 2471, 2555, 3883, 4015, 4589, 4745, 5005, 5621, 6643, 10439, 12355, 19415, 22945, 25769, 27181, 28105, 32123, 33215, 50479, 52195, 73073, 128845, 135905, 160615, 180383, 252395, 283459, 334997, 353353, 365365, 901915, 1417295, 1674985, 1766765, 1984213, 2344979, 3684967, 9921065, 11724895, 18424835, 25794769, 128973845]

約数ペア:

[(1, 128973845), (5, 25794769), (7, 18424835), (11, 11724895), (13, 9921065), (35, 3684967), (55, 2344979), (65, 1984213), (73, 1766765), (77, 1674985), (91, 1417295), (143, 901915), (353, 365365), (365, 353353), (385, 334997), (455, 283459), (511, 252395), (715, 180383), (803, 160615), (949, 135905), (1001, 128845), (1765, 73073), (2471, 52195), (2555, 50479), (3883, 33215), (4015, 32123), (4589, 28105), (4745, 27181), (5005, 25769), (5621, 22945), (6643, 19415), (10439, 12355)]