208669128

素因数分解:

$2^3\times 3^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 529858560

約数和(自身を除く): 321189432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 127, 223, 254, 307, 381, 446, 508, 614, 669, 762, 892, 921, 1016, 1228, 1338, 1524, 1784, 1842, 2456, 2676, 3048, 3684, 5352, 7368, 28321, 38989, 56642, 68461, 77978, 84963, 113284, 116967, 136922, 155956, 169926, 205383, 226568, 233934, 273844, 311912, 339852, 410766, 467868, 547688, 679704, 821532, 935736, 1643064, 8694547, 17389094, 26083641, 34778188, 52167282, 69556376, 104334564, 208669128]

約数ペア:

[(1, 208669128), (2, 104334564), (3, 69556376), (4, 52167282), (6, 34778188), (8, 26083641), (12, 17389094), (24, 8694547), (127, 1643064), (223, 935736), (254, 821532), (307, 679704), (381, 547688), (446, 467868), (508, 410766), (614, 339852), (669, 311912), (762, 273844), (892, 233934), (921, 226568), (1016, 205383), (1228, 169926), (1338, 155956), (1524, 136922), (1784, 116967), (1842, 113284), (2456, 84963), (2676, 77978), (3048, 68461), (3684, 56642), (5352, 38989), (7368, 28321)]