213201758

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1149

約数の個数: 48

約数和(自身を含む): 405307392

約数和(自身を除く): 192105634

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 127, 154, 242, 254, 847, 889, 991, 1397, 1694, 1778, 1982, 2794, 6937, 9779, 10901, 13874, 15367, 19558, 21802, 30734, 76307, 107569, 119911, 125857, 152614, 215138, 239822, 251714, 839377, 880999, 1384427, 1678754, 1761998, 2768854, 9690989, 15228697, 19381978, 30457394, 106600879, 213201758]

約数ペア:

[(1, 213201758), (2, 106600879), (7, 30457394), (11, 19381978), (14, 15228697), (22, 9690989), (77, 2768854), (121, 1761998), (127, 1678754), (154, 1384427), (242, 880999), (254, 839377), (847, 251714), (889, 239822), (991, 215138), (1397, 152614), (1694, 125857), (1778, 119911), (1982, 107569), (2794, 76307), (6937, 30734), (9779, 21802), (10901, 19558), (13874, 15367)]