28428455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3469}}^1$

素因数の和:3634

約数の個数: 16

約数和(自身を含む): 37476000

約数和(自身を除く): 9047545

約数列:

[1, 5, 11, 55, 149, 745, 1639, 3469, 8195, 17345, 38159, 190795, 516881, 2584405, 5685691, 28428455]

約数ペア:

[(1, 28428455), (5, 5685691), (11, 2584405), (55, 516881), (149, 190795), (745, 38159), (1639, 17345), (3469, 8195)]