128445328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{2693}}^1$

素因数の和:2983

約数の個数: 40

約数和(自身を含む): 272589696

約数和(自身を除く): 144144368

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 271, 542, 1084, 2168, 2693, 2981, 4336, 5386, 5962, 10772, 11924, 21544, 23848, 29623, 43088, 47696, 59246, 118492, 236984, 473968, 729803, 1459606, 2919212, 5838424, 8027833, 11676848, 16055666, 32111332, 64222664, 128445328]

約数ペア:

[(1, 128445328), (2, 64222664), (4, 32111332), (8, 16055666), (11, 11676848), (16, 8027833), (22, 5838424), (44, 2919212), (88, 1459606), (176, 729803), (271, 473968), (542, 236984), (1084, 118492), (2168, 59246), (2693, 47696), (2981, 43088), (4336, 29623), (5386, 23848), (5962, 21544), (10772, 11924)]