1991231414

素因数分解:

$2^1\times {\mathrm{461}}^1\times {\mathrm{509}}^1\times {\mathrm{4243}}^1$

素因数の和:5215

約数の個数: 16

約数和(自身を含む): 2999913840

約数和(自身を除く): 1008682426

約数列:

[1, 2, 461, 509, 922, 1018, 4243, 8486, 234649, 469298, 1956023, 2159687, 3912046, 4319374, 995615707, 1991231414]

約数ペア:

[(1, 1991231414), (2, 995615707), (461, 4319374), (509, 3912046), (922, 2159687), (1018, 1956023), (4243, 469298), (8486, 234649)]