28639312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{877}}^1$

素因数の和:1055

約数の個数: 40

約数和(自身を含む): 60206216

約数和(自身を除く): 31566904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 877, 1256, 1754, 2041, 2512, 3508, 4082, 7016, 8164, 11401, 14032, 16328, 22802, 32656, 45604, 91208, 137689, 182416, 275378, 550756, 1101512, 1789957, 2203024, 3579914, 7159828, 14319656, 28639312]

約数ペア:

[(1, 28639312), (2, 14319656), (4, 7159828), (8, 3579914), (13, 2203024), (16, 1789957), (26, 1101512), (52, 550756), (104, 275378), (157, 182416), (208, 137689), (314, 91208), (628, 45604), (877, 32656), (1256, 22802), (1754, 16328), (2041, 14032), (2512, 11401), (3508, 8164), (4082, 7016)]