28721264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12553}}^1$

素因数の和:12585

約数の個数: 40

約数和(自身を含む): 65381232

約数和(自身を除く): 36659968

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 12553, 25106, 50212, 100424, 138083, 163189, 200848, 276166, 326378, 552332, 652756, 1104664, 1305512, 1795079, 2209328, 2611024, 3590158, 7180316, 14360632, 28721264]

約数ペア:

[(1, 28721264), (2, 14360632), (4, 7180316), (8, 3590158), (11, 2611024), (13, 2209328), (16, 1795079), (22, 1305512), (26, 1104664), (44, 652756), (52, 552332), (88, 326378), (104, 276166), (143, 200848), (176, 163189), (208, 138083), (286, 100424), (572, 50212), (1144, 25106), (2288, 12553)]