28191818

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:973

約数の個数: 16

約数和(自身を含む): 43001280

約数和(自身を除く): 14809462

約数列:

[1, 2, 89, 178, 251, 502, 631, 1262, 22339, 44678, 56159, 112318, 158381, 316762, 14095909, 28191818]

約数ペア:

[(1, 28191818), (2, 14095909), (89, 316762), (178, 158381), (251, 112318), (502, 56159), (631, 44678), (1262, 22339)]