28130578

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{64817}}^1$

素因数の和:64857

約数の個数: 16

約数和(自身を含む): 49780224

約数和(自身を除く): 21649646

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 64817, 129634, 453719, 907438, 2009327, 4018654, 14065289, 28130578]

約数ペア:

[(1, 28130578), (2, 14065289), (7, 4018654), (14, 2009327), (31, 907438), (62, 453719), (217, 129634), (434, 64817)]