220178998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{53939}}^1$

素因数の和:54111

約数の個数: 16

約数和(自身を含む): 357945840

約数和(自身を除く): 137766842

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 53939, 107878, 701207, 1402414, 8468423, 16936846, 110089499, 220178998]

約数ペア:

[(1, 220178998), (2, 110089499), (13, 16936846), (26, 8468423), (157, 1402414), (314, 701207), (2041, 107878), (4082, 53939)]