12720067199

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{10399}}^1$

素因数の和:10983

約数の個数: 32

約数和(自身を含む): 16233984000

約数和(自身を除く): 3513916801

約数列:

[1, 7, 17, 19, 119, 133, 323, 541, 2261, 3787, 9197, 10279, 10399, 64379, 71953, 72793, 174743, 176783, 197581, 1223201, 1237481, 1383067, 3358877, 5625859, 23512139, 39381013, 95639603, 106891321, 669477221, 748239247, 1817152457, 12720067199]

約数ペア:

[(1, 12720067199), (7, 1817152457), (17, 748239247), (19, 669477221), (119, 106891321), (133, 95639603), (323, 39381013), (541, 23512139), (2261, 5625859), (3787, 3358877), (9197, 1383067), (10279, 1237481), (10399, 1223201), (64379, 197581), (71953, 176783), (72793, 174743)]