254378878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{1117}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 433873440

約数和(自身を除く): 179494562

約数列:

[1, 2, 13, 19, 26, 38, 247, 461, 494, 922, 1117, 2234, 5993, 8759, 11986, 14521, 17518, 21223, 29042, 42446, 113867, 227734, 275899, 514937, 551798, 1029874, 6694181, 9783803, 13388362, 19567606, 127189439, 254378878]

約数ペア:

[(1, 254378878), (2, 127189439), (13, 19567606), (19, 13388362), (26, 9783803), (38, 6694181), (247, 1029874), (461, 551798), (494, 514937), (922, 275899), (1117, 227734), (2234, 113867), (5993, 42446), (8759, 29042), (11986, 21223), (14521, 17518)]