81855557

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{3907}}^1$

素因数の和:4028

約数の個数: 16

約数和(自身を含む): 97168512

約数和(自身を除く): 15312955

約数列:

[1, 7, 41, 73, 287, 511, 2993, 3907, 20951, 27349, 160187, 285211, 1121309, 1996477, 11693651, 81855557]

約数ペア:

[(1, 81855557), (7, 11693651), (41, 1996477), (73, 1121309), (287, 285211), (511, 160187), (2993, 27349), (3907, 20951)]