90721054

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{3581}}^1$

素因数の和:3875

約数の個数: 16

約数和(自身を含む): 139268160

約数和(自身を除く): 48547106

約数列:

[1, 2, 53, 106, 239, 478, 3581, 7162, 12667, 25334, 189793, 379586, 855859, 1711718, 45360527, 90721054]

約数ペア:

[(1, 90721054), (2, 45360527), (53, 1711718), (106, 855859), (239, 379586), (478, 189793), (3581, 25334), (7162, 12667)]