28001004

素因数分解:

$2^2\times 3^1\times {\mathrm{503}}^1\times {\mathrm{4639}}^1$

素因数の和:5149

約数の個数: 24

約数和(自身を含む): 65479680

約数和(自身を除く): 37478676

約数列:

[1, 2, 3, 4, 6, 12, 503, 1006, 1509, 2012, 3018, 4639, 6036, 9278, 13917, 18556, 27834, 55668, 2333417, 4666834, 7000251, 9333668, 14000502, 28001004]

約数ペア:

[(1, 28001004), (2, 14000502), (3, 9333668), (4, 7000251), (6, 4666834), (12, 2333417), (503, 55668), (1006, 27834), (1509, 18556), (2012, 13917), (3018, 9278), (4639, 6036)]