28983745

素因数分解:

$5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 40699368

約数和(自身を除く): 11715623

約数列:

[1, 5, 7, 35, 49, 245, 281, 421, 1405, 1967, 2105, 2947, 9835, 13769, 14735, 20629, 68845, 103145, 118301, 591505, 828107, 4140535, 5796749, 28983745]

約数ペア:

[(1, 28983745), (5, 5796749), (7, 4140535), (35, 828107), (49, 591505), (245, 118301), (281, 103145), (421, 68845), (1405, 20629), (1967, 14735), (2105, 13769), (2947, 9835)]