205780267

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 263268864

約数和(自身を除く): 57488597

約数列:

[1, 7, 11, 61, 77, 193, 227, 427, 671, 1351, 1589, 2123, 2497, 4697, 11773, 13847, 14861, 17479, 43811, 82411, 96929, 129503, 152317, 306677, 481921, 906521, 1066219, 2672471, 3373447, 18707297, 29397181, 205780267]

約数ペア:

[(1, 205780267), (7, 29397181), (11, 18707297), (61, 3373447), (77, 2672471), (193, 1066219), (227, 906521), (427, 481921), (671, 306677), (1351, 152317), (1589, 129503), (2123, 96929), (2497, 82411), (4697, 43811), (11773, 17479), (13847, 14861)]