199721654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15413}}^1$

素因数の和:15476

約数の個数: 32

約数和(自身を含む): 355138560

約数和(自身を除く): 155416906

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 209, 341, 418, 589, 682, 1178, 6479, 12958, 15413, 30826, 169543, 292847, 339086, 477803, 585694, 955606, 3221317, 5255833, 6442634, 9078257, 10511666, 18156514, 99860827, 199721654]

約数ペア:

[(1, 199721654), (2, 99860827), (11, 18156514), (19, 10511666), (22, 9078257), (31, 6442634), (38, 5255833), (62, 3221317), (209, 955606), (341, 585694), (418, 477803), (589, 339086), (682, 292847), (1178, 169543), (6479, 30826), (12958, 15413)]