140241038

素因数分解:

$2^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{2297}}^1$

素因数の和:2409

約数の個数: 32

約数和(自身を含む): 248184000

約数和(自身を除く): 107942962

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 343, 623, 686, 1246, 2297, 4361, 4594, 8722, 16079, 30527, 32158, 61054, 112553, 204433, 225106, 408866, 787871, 1431031, 1575742, 2862062, 10017217, 20034434, 70120519, 140241038]

約数ペア:

[(1, 140241038), (2, 70120519), (7, 20034434), (14, 10017217), (49, 2862062), (89, 1575742), (98, 1431031), (178, 787871), (343, 408866), (623, 225106), (686, 204433), (1246, 112553), (2297, 61054), (4361, 32158), (4594, 30527), (8722, 16079)]