201758431

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{4943}}^1$

素因数の和:4988

約数の個数: 20

約数和(自身を含む): 249266592

約数和(自身を除く): 47508161

約数列:

[1, 7, 17, 49, 119, 343, 833, 2401, 4943, 5831, 34601, 40817, 84031, 242207, 588217, 1695449, 4117519, 11868143, 28822633, 201758431]

約数ペア:

[(1, 201758431), (7, 28822633), (17, 11868143), (49, 4117519), (119, 1695449), (343, 588217), (833, 242207), (2401, 84031), (4943, 40817), (5831, 34601)]