199090419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1435

約数の個数: 32

約数和(自身を含む): 298598400

約数和(自身を除く): 99507981

約数列:

[1, 3, 11, 33, 53, 89, 159, 267, 583, 979, 1279, 1749, 2937, 3837, 4717, 14069, 14151, 42207, 51887, 67787, 113831, 155661, 203361, 341493, 745657, 1252141, 2236971, 3756423, 6033043, 18099129, 66363473, 199090419]

約数ペア:

[(1, 199090419), (3, 66363473), (11, 18099129), (33, 6033043), (53, 3756423), (89, 2236971), (159, 1252141), (267, 745657), (583, 341493), (979, 203361), (1279, 155661), (1749, 113831), (2937, 67787), (3837, 51887), (4717, 42207), (14069, 14151)]