81157312

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{599}}^1$

素因数の和:713

約数の個数: 56

約数和(自身を含む): 169164000

約数和(自身を除く): 88006688

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 73, 116, 146, 232, 292, 464, 584, 599, 928, 1168, 1198, 1856, 2117, 2336, 2396, 4234, 4672, 4792, 8468, 9584, 16936, 17371, 19168, 33872, 34742, 38336, 43727, 67744, 69484, 87454, 135488, 138968, 174908, 277936, 349816, 555872, 699632, 1111744, 1268083, 1399264, 2536166, 2798528, 5072332, 10144664, 20289328, 40578656, 81157312]

約数ペア:

[(1, 81157312), (2, 40578656), (4, 20289328), (8, 10144664), (16, 5072332), (29, 2798528), (32, 2536166), (58, 1399264), (64, 1268083), (73, 1111744), (116, 699632), (146, 555872), (232, 349816), (292, 277936), (464, 174908), (584, 138968), (599, 135488), (928, 87454), (1168, 69484), (1198, 67744), (1856, 43727), (2117, 38336), (2336, 34742), (2396, 33872), (4234, 19168), (4672, 17371), (4792, 16936), (8468, 9584)]