215236609

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 267840000

約数和(自身を除く): 52603391

約数列:

[1, 7, 17, 61, 119, 149, 199, 427, 1037, 1043, 1393, 2533, 3383, 7259, 9089, 12139, 17731, 23681, 29651, 63623, 84973, 154513, 206363, 207557, 504067, 1081591, 1444541, 1808711, 3528469, 12660977, 30748087, 215236609]

約数ペア:

[(1, 215236609), (7, 30748087), (17, 12660977), (61, 3528469), (119, 1808711), (149, 1444541), (199, 1081591), (427, 504067), (1037, 207557), (1043, 206363), (1393, 154513), (2533, 84973), (3383, 63623), (7259, 29651), (9089, 23681), (12139, 17731)]