208715819039

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{863}}^1\times {\mathrm{1213}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 262823968512

約数和(自身を除く): 54108149473

約数列:

[1, 7, 13, 49, 91, 313, 637, 863, 1213, 2191, 4069, 6041, 8491, 11219, 15337, 15769, 28483, 42287, 59437, 78533, 110383, 199381, 270119, 379669, 549731, 772681, 1046819, 1890833, 2657683, 3511547, 4935697, 7327733, 13235831, 13608647, 18603781, 24580829, 34549879, 51294131, 95260529, 172065803, 241849153, 327654347, 666823703, 2293580429, 4259506511, 16055063003, 29816545577, 208715819039]

約数ペア:

[(1, 208715819039), (7, 29816545577), (13, 16055063003), (49, 4259506511), (91, 2293580429), (313, 666823703), (637, 327654347), (863, 241849153), (1213, 172065803), (2191, 95260529), (4069, 51294131), (6041, 34549879), (8491, 24580829), (11219, 18603781), (15337, 13608647), (15769, 13235831), (28483, 7327733), (42287, 4935697), (59437, 3511547), (78533, 2657683), (110383, 1890833), (199381, 1046819), (270119, 772681), (379669, 549731)]