209123033

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 249523200

約数和(自身を除く): 40400167

約数列:

[1, 7, 49, 79, 89, 553, 607, 623, 3871, 4249, 4361, 7031, 29743, 47953, 49217, 54023, 335671, 344519, 378161, 2349697, 2647127, 4267817, 29874719, 209123033]

約数ペア:

[(1, 209123033), (7, 29874719), (49, 4267817), (79, 2647127), (89, 2349697), (553, 378161), (607, 344519), (623, 335671), (3871, 54023), (4249, 49217), (4361, 47953), (7031, 29743)]