81112244

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{21101}}^1$

素因数の和:21167

約数の個数: 18

約数和(自身を含む): 146680002

約数和(自身を除く): 65567758

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 21101, 42202, 84404, 654131, 1308262, 2616524, 20278061, 40556122, 81112244]

約数ペア:

[(1, 81112244), (2, 40556122), (4, 20278061), (31, 2616524), (62, 1308262), (124, 654131), (961, 84404), (1922, 42202), (3844, 21101)]