28121004

素因数分解:

$2^2\times 3^2\times {\mathrm{781139}}^1$

素因数の和:781149

約数の個数: 18

約数和(自身を含む): 71083740

約数和(自身を除く): 42962736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 781139, 1562278, 2343417, 3124556, 4686834, 7030251, 9373668, 14060502, 28121004]

約数ペア:

[(1, 28121004), (2, 14060502), (3, 9373668), (4, 7030251), (6, 4686834), (9, 3124556), (12, 2343417), (18, 1562278), (36, 781139)]