66960836

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{1229}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 119954520

約数和(自身を除く): 52993684

約数列:

[1, 2, 4, 53, 106, 212, 257, 514, 1028, 1229, 2458, 4916, 13621, 27242, 54484, 65137, 130274, 260548, 315853, 631706, 1263412, 16740209, 33480418, 66960836]

約数ペア:

[(1, 66960836), (2, 33480418), (4, 16740209), (53, 1263412), (106, 631706), (212, 315853), (257, 260548), (514, 130274), (1028, 65137), (1229, 54484), (2458, 27242), (4916, 13621)]