81128528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2179}}^1$

素因数の和:2379

約数の個数: 40

約数和(自身を含む): 170301600

約数和(自身を除く): 89173072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 179, 208, 358, 716, 1432, 2179, 2327, 2864, 4358, 4654, 8716, 9308, 17432, 18616, 28327, 34864, 37232, 56654, 113308, 226616, 390041, 453232, 780082, 1560164, 3120328, 5070533, 6240656, 10141066, 20282132, 40564264, 81128528]

約数ペア:

[(1, 81128528), (2, 40564264), (4, 20282132), (8, 10141066), (13, 6240656), (16, 5070533), (26, 3120328), (52, 1560164), (104, 780082), (179, 453232), (208, 390041), (358, 226616), (716, 113308), (1432, 56654), (2179, 37232), (2327, 34864), (2864, 28327), (4358, 18616), (4654, 17432), (8716, 9308)]