199722718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{877}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 340734240

約数和(自身を除く): 141011522

約数列:

[1, 2, 13, 19, 26, 38, 247, 461, 494, 877, 922, 1754, 5993, 8759, 11401, 11986, 16663, 17518, 22802, 33326, 113867, 216619, 227734, 404297, 433238, 808594, 5255861, 7681643, 10511722, 15363286, 99861359, 199722718]

約数ペア:

[(1, 199722718), (2, 99861359), (13, 15363286), (19, 10511722), (26, 7681643), (38, 5255861), (247, 808594), (461, 433238), (494, 404297), (877, 227734), (922, 216619), (1754, 113867), (5993, 33326), (8759, 22802), (11401, 17518), (11986, 16663)]