202886215

素因数分解:

$5^1\times 7^3\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 285609600

約数和(自身を除く): 82723385

約数列:

[1, 5, 7, 35, 49, 245, 281, 343, 421, 1405, 1715, 1967, 2105, 2947, 9835, 13769, 14735, 20629, 68845, 96383, 103145, 118301, 144403, 481915, 591505, 722015, 828107, 4140535, 5796749, 28983745, 40577243, 202886215]

約数ペア:

[(1, 202886215), (5, 40577243), (7, 28983745), (35, 5796749), (49, 4140535), (245, 828107), (281, 722015), (343, 591505), (421, 481915), (1405, 144403), (1715, 118301), (1967, 103145), (2105, 96383), (2947, 68845), (9835, 20629), (13769, 14735)]