28400743

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{2671}}^1$

素因数の和:2723

約数の個数: 16

約数和(自身を含む): 34201600

約数和(自身を除く): 5800857

約数列:

[1, 7, 31, 49, 217, 343, 1519, 2671, 10633, 18697, 82801, 130879, 579607, 916153, 4057249, 28400743]

約数ペア:

[(1, 28400743), (7, 4057249), (31, 916153), (49, 579607), (217, 130879), (343, 82801), (1519, 18697), (2671, 10633)]