199968461

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 36

約数和(自身を含む): 261769536

約数和(自身を除く): 61801075

約数列:

[1, 7, 11, 37, 49, 77, 259, 271, 407, 539, 1369, 1813, 1897, 2849, 2981, 9583, 10027, 13279, 15059, 19943, 20867, 67081, 70189, 105413, 110297, 146069, 370999, 491323, 737891, 772079, 2596993, 4080989, 5404553, 18178951, 28566923, 199968461]

約数ペア:

[(1, 199968461), (7, 28566923), (11, 18178951), (37, 5404553), (49, 4080989), (77, 2596993), (259, 772079), (271, 737891), (407, 491323), (539, 370999), (1369, 146069), (1813, 110297), (1897, 105413), (2849, 70189), (2981, 67081), (9583, 20867), (10027, 19943), (13279, 15059)]