215513930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1\times {\mathrm{1511}}^1$

素因数の和:2374

約数の個数: 32

約数和(自身を含む): 411505920

約数和(自身を除く): 195991990

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 839, 1511, 1678, 3022, 4195, 7555, 8390, 14263, 15110, 25687, 28526, 51374, 71315, 128435, 142630, 256870, 1267729, 2535458, 6338645, 12677290, 21551393, 43102786, 107756965, 215513930]

約数ペア:

[(1, 215513930), (2, 107756965), (5, 43102786), (10, 21551393), (17, 12677290), (34, 6338645), (85, 2535458), (170, 1267729), (839, 256870), (1511, 142630), (1678, 128435), (3022, 71315), (4195, 51374), (7555, 28526), (8390, 25687), (14263, 15110)]