221464828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{27127}}^1$

素因数の和:27301

約数の個数: 24

約数和(自身を含む): 420049952

約数和(自身を除く): 198585124

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 27127, 54254, 108508, 352651, 705302, 1410604, 4258939, 8517878, 17035756, 55366207, 110732414, 221464828]

約数ペア:

[(1, 221464828), (2, 110732414), (4, 55366207), (13, 17035756), (26, 8517878), (52, 4258939), (157, 1410604), (314, 705302), (628, 352651), (2041, 108508), (4082, 54254), (8164, 27127)]