420388319

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73999}}^1$

素因数の和:74054

約数の個数: 16

約数和(自身を含む): 497280000

約数和(自身を除く): 76891681

約数列:

[1, 13, 19, 23, 247, 299, 437, 5681, 73999, 961987, 1405981, 1701977, 18277753, 22125701, 32337563, 420388319]

約数ペア:

[(1, 420388319), (13, 32337563), (19, 22125701), (23, 18277753), (247, 1701977), (299, 1405981), (437, 961987), (5681, 73999)]