261618982

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1\times {\mathrm{2113}}^1$

素因数の和:4143

約数の個数: 16

約数和(自身を含む): 405482112

約数和(自身を除く): 143863130

約数列:

[1, 2, 31, 62, 1997, 2113, 3994, 4226, 61907, 65503, 123814, 131006, 4219661, 8439322, 130809491, 261618982]

約数ペア:

[(1, 261618982), (2, 130809491), (31, 8439322), (62, 4219661), (1997, 131006), (2113, 123814), (3994, 65503), (4226, 61907)]