220191895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2393}}^1$

素因数の和:2655

約数の個数: 32

約数和(自身を含む): 330946560

約数和(自身を除く): 110754665

約数列:

[1, 5, 7, 11, 35, 55, 77, 239, 385, 1195, 1673, 2393, 2629, 8365, 11965, 13145, 16751, 18403, 26323, 83755, 92015, 131615, 184261, 571927, 921305, 2859635, 4003489, 6291197, 20017445, 31455985, 44038379, 220191895]

約数ペア:

[(1, 220191895), (5, 44038379), (7, 31455985), (11, 20017445), (35, 6291197), (55, 4003489), (77, 2859635), (239, 921305), (385, 571927), (1195, 184261), (1673, 131615), (2393, 92015), (2629, 83755), (8365, 26323), (11965, 18403), (13145, 16751)]