28816205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{16901}}^1$

素因数の和:16948

約数の個数: 16

約数和(自身を含む): 38942208

約数和(自身を除く): 10126003

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 16901, 84505, 185911, 523931, 929555, 2619655, 5763241, 28816205]

約数ペア:

[(1, 28816205), (5, 5763241), (11, 2619655), (31, 929555), (55, 523931), (155, 185911), (341, 84505), (1705, 16901)]