28053545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2749}}^1$

素因数の和:2924

約数の個数: 16

約数和(自身を含む): 36498000

約数和(自身を除く): 8444455

約数列:

[1, 5, 13, 65, 157, 785, 2041, 2749, 10205, 13745, 35737, 178685, 431593, 2157965, 5610709, 28053545]

約数ペア:

[(1, 28053545), (5, 5610709), (13, 2157965), (65, 431593), (157, 178685), (785, 35737), (2041, 13745), (2749, 10205)]