90571156

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{133981}}^1$

素因数の和:134011

約数の個数: 18

約数和(自身を含む): 171630942

約数和(自身を除く): 81059786

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 133981, 267962, 535924, 1741753, 3483506, 6967012, 22642789, 45285578, 90571156]

約数ペア:

[(1, 90571156), (2, 45285578), (4, 22642789), (13, 6967012), (26, 3483506), (52, 1741753), (169, 535924), (338, 267962), (676, 133981)]