2639312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{12689}}^1$

素因数の和:12710

約数の個数: 20

約数和(自身を含む): 5507460

約数和(自身を除く): 2868148

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 12689, 25378, 50756, 101512, 164957, 203024, 329914, 659828, 1319656, 2639312]

約数ペア:

[(1, 2639312), (2, 1319656), (4, 659828), (8, 329914), (13, 203024), (16, 164957), (26, 101512), (52, 50756), (104, 25378), (208, 12689)]