2640386

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1249}}^1$

素因数の和:1409

約数の個数: 16

約数和(自身を含む): 4560000

約数和(自身を除く): 1919614

約数列:

[1, 2, 7, 14, 151, 302, 1057, 1249, 2114, 2498, 8743, 17486, 188599, 377198, 1320193, 2640386]

約数ペア:

[(1, 2640386), (2, 1320193), (7, 377198), (14, 188599), (151, 17486), (302, 8743), (1057, 2498), (1249, 2114)]