2391781

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 2937600

約数和(自身を除く): 545819

約数列:

[1, 7, 17, 101, 119, 199, 707, 1393, 1717, 3383, 12019, 20099, 23681, 140693, 341683, 2391781]

約数ペア:

[(1, 2391781), (7, 341683), (17, 140693), (101, 23681), (119, 20099), (199, 12019), (707, 3383), (1393, 1717)]