28131064

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{20807}}^1$

素因数の和:20839

約数の個数: 24

約数和(自身を含む): 57117960

約数和(自身を除く): 28986896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 20807, 41614, 83228, 166456, 270491, 540982, 1081964, 2163928, 3516383, 7032766, 14065532, 28131064]

約数ペア:

[(1, 28131064), (2, 14065532), (4, 7032766), (8, 3516383), (13, 2163928), (26, 1081964), (52, 540982), (104, 270491), (169, 166456), (338, 83228), (676, 41614), (1352, 20807)]