220131878

素因数分解:

$2^1\times {\mathrm{17}}^3\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 359678880

約数和(自身を除く): 139547002

約数列:

[1, 2, 17, 34, 43, 86, 289, 521, 578, 731, 1042, 1462, 4913, 8857, 9826, 12427, 17714, 22403, 24854, 44806, 150569, 211259, 301138, 380851, 422518, 761702, 2559673, 5119346, 6474467, 12948934, 110065939, 220131878]

約数ペア:

[(1, 220131878), (2, 110065939), (17, 12948934), (34, 6474467), (43, 5119346), (86, 2559673), (289, 761702), (521, 422518), (578, 380851), (731, 301138), (1042, 211259), (1462, 150569), (4913, 44806), (8857, 24854), (9826, 22403), (12427, 17714)]