1989103655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{16829}}^1$

素因数の和:17159

約数の個数: 32

約数和(自身を含む): 2985776640

約数和(自身を除く): 996672985

約数列:

[1, 5, 7, 11, 35, 55, 77, 307, 385, 1535, 2149, 3377, 10745, 16829, 16885, 23639, 84145, 117803, 118195, 185119, 589015, 925595, 1295833, 5166503, 6479165, 25832515, 36165521, 56831533, 180827605, 284157665, 397820731, 1989103655]

約数ペア:

[(1, 1989103655), (5, 397820731), (7, 284157665), (11, 180827605), (35, 56831533), (55, 36165521), (77, 25832515), (307, 6479165), (385, 5166503), (1535, 1295833), (2149, 925595), (3377, 589015), (10745, 185119), (16829, 118195), (16885, 117803), (23639, 84145)]