207895415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 322672896

約数和(自身を除く): 114777481

約数列:

[1, 5, 7, 13, 35, 37, 53, 65, 91, 185, 233, 259, 265, 371, 455, 481, 689, 1165, 1295, 1631, 1855, 1961, 2405, 3029, 3367, 3445, 4823, 8155, 8621, 9805, 12349, 13727, 15145, 16835, 21203, 24115, 25493, 43105, 60347, 61745, 68635, 86443, 106015, 112073, 127465, 160537, 178451, 301735, 432215, 456913, 560365, 784511, 802685, 892255, 1123759, 2284565, 3198391, 3922555, 5618795, 5939869, 15991955, 29699345, 41579083, 207895415]

約数ペア:

[(1, 207895415), (5, 41579083), (7, 29699345), (13, 15991955), (35, 5939869), (37, 5618795), (53, 3922555), (65, 3198391), (91, 2284565), (185, 1123759), (233, 892255), (259, 802685), (265, 784511), (371, 560365), (455, 456913), (481, 432215), (689, 301735), (1165, 178451), (1295, 160537), (1631, 127465), (1855, 112073), (1961, 106015), (2405, 86443), (3029, 68635), (3367, 61745), (3445, 60347), (4823, 43105), (8155, 25493), (8621, 24115), (9805, 21203), (12349, 16835), (13727, 15145)]