51871975

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 66819632

約数和(自身を除く): 14947657

約数列:

[1, 5, 25, 43, 73, 215, 365, 661, 1075, 1825, 3139, 3305, 15695, 16525, 28423, 48253, 78475, 142115, 241265, 710575, 1206325, 2074879, 10374395, 51871975]

約数ペア:

[(1, 51871975), (5, 10374395), (25, 2074879), (43, 1206325), (73, 710575), (215, 241265), (365, 142115), (661, 78475), (1075, 48253), (1825, 28423), (3139, 16525), (3305, 15695)]