281861827

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 333527040

約数和(自身を除く): 51665213

約数列:

[1, 13, 19, 31, 131, 247, 281, 403, 589, 1703, 2489, 3653, 4061, 5339, 7657, 8711, 32357, 36811, 52793, 69407, 77159, 113243, 165509, 478543, 699409, 1003067, 1141141, 2151617, 9092317, 14834833, 21681679, 281861827]

約数ペア:

[(1, 281861827), (13, 21681679), (19, 14834833), (31, 9092317), (131, 2151617), (247, 1141141), (281, 1003067), (403, 699409), (589, 478543), (1703, 165509), (2489, 113243), (3653, 77159), (4061, 69407), (5339, 52793), (7657, 36811), (8711, 32357)]