64095455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{1523}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 81198720

約数和(自身を除く): 17103265

約数列:

[1, 5, 19, 95, 443, 1523, 2215, 7615, 8417, 28937, 42085, 144685, 674689, 3373445, 12819091, 64095455]

約数ペア:

[(1, 64095455), (5, 12819091), (19, 3373445), (95, 674689), (443, 144685), (1523, 42085), (2215, 28937), (7615, 8417)]