381645341

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 487278336

約数和(自身を除く): 105632995

約数列:

[1, 7, 11, 61, 77, 193, 421, 427, 671, 1351, 2123, 2947, 4631, 4697, 11773, 14861, 25681, 32417, 81253, 82411, 129503, 179767, 282491, 568771, 893783, 906521, 1977437, 4956433, 6256481, 34695031, 54520763, 381645341]

約数ペア:

[(1, 381645341), (7, 54520763), (11, 34695031), (61, 6256481), (77, 4956433), (193, 1977437), (421, 906521), (427, 893783), (671, 568771), (1351, 282491), (2123, 179767), (2947, 129503), (4631, 82411), (4697, 81253), (11773, 32417), (14861, 25681)]