2000851655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1\times {\mathrm{401}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 2643513408

約数和(自身を除く): 642661753

約数列:

[1, 5, 11, 55, 257, 353, 401, 1285, 1765, 2005, 2827, 3883, 4411, 14135, 19415, 22055, 90721, 103057, 141553, 453605, 515285, 707765, 997931, 1133627, 1557083, 4989655, 5668135, 7785415, 36379121, 181895605, 400170331, 2000851655]

約数ペア:

[(1, 2000851655), (5, 400170331), (11, 181895605), (55, 36379121), (257, 7785415), (353, 5668135), (401, 4989655), (1285, 1557083), (1765, 1133627), (2005, 997931), (2827, 707765), (3883, 515285), (4411, 453605), (14135, 141553), (19415, 103057), (22055, 90721)]