12975005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2239}}^1$

素因数の和:2324

約数の個数: 16

約数和(自身を含む): 16665600

約数和(自身を除く): 3690595

約数列:

[1, 5, 19, 61, 95, 305, 1159, 2239, 5795, 11195, 42541, 136579, 212705, 682895, 2595001, 12975005]

約数ペア:

[(1, 12975005), (5, 2595001), (19, 682895), (61, 212705), (95, 136579), (305, 42541), (1159, 11195), (2239, 5795)]