81301918

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{15641}}^1$

素因数の和:15779

約数の個数: 16

約数和(自身を含む): 128389536

約数和(自身を除く): 47087618

約数列:

[1, 2, 23, 46, 113, 226, 2599, 5198, 15641, 31282, 359743, 719486, 1767433, 3534866, 40650959, 81301918]

約数ペア:

[(1, 81301918), (2, 40650959), (23, 3534866), (46, 1767433), (113, 719486), (226, 359743), (2599, 31282), (5198, 15641)]