28261692

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{11057}}^1$

素因数の和:11138

約数の個数: 36

約数和(自身を含む): 72452016

約数和(自身を除く): 44190324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 11057, 22114, 33171, 44228, 66342, 99513, 132684, 199026, 398052, 785047, 1570094, 2355141, 3140188, 4710282, 7065423, 9420564, 14130846, 28261692]

約数ペア:

[(1, 28261692), (2, 14130846), (3, 9420564), (4, 7065423), (6, 4710282), (9, 3140188), (12, 2355141), (18, 1570094), (36, 785047), (71, 398052), (142, 199026), (213, 132684), (284, 99513), (426, 66342), (639, 44228), (852, 33171), (1278, 22114), (2556, 11057)]