2009809151

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{1297}}^1$

素因数の和:1575

約数の個数: 32

約数和(自身を含む): 2472222720

約数和(自身を除く): 462413569

約数列:

[1, 7, 19, 61, 133, 191, 427, 1159, 1297, 1337, 3629, 8113, 9079, 11651, 24643, 25403, 79117, 81557, 172501, 221369, 247727, 553819, 1503223, 1549583, 1734089, 4706813, 10522561, 15111347, 32947691, 105779429, 287115593, 2009809151]

約数ペア:

[(1, 2009809151), (7, 287115593), (19, 105779429), (61, 32947691), (133, 15111347), (191, 10522561), (427, 4706813), (1159, 1734089), (1297, 1549583), (1337, 1503223), (3629, 553819), (8113, 247727), (9079, 221369), (11651, 172501), (24643, 81557), (25403, 79117)]