256220744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{9091}}^1$

素因数の和:9381

約数の個数: 32

約数和(自身を含む): 519335040

約数和(自身を除く): 263114296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 1084, 2168, 3523, 7046, 9091, 14092, 18182, 28184, 36364, 72728, 118183, 236366, 472732, 945464, 2463661, 4927322, 9854644, 19709288, 32027593, 64055186, 128110372, 256220744]

約数ペア:

[(1, 256220744), (2, 128110372), (4, 64055186), (8, 32027593), (13, 19709288), (26, 9854644), (52, 4927322), (104, 2463661), (271, 945464), (542, 472732), (1084, 236366), (2168, 118183), (3523, 72728), (7046, 36364), (9091, 28184), (14092, 18182)]