278199982081

素因数分解:

$7^1\times {\mathrm{1423}}^1\times {\mathrm{5237}}^1\times {\mathrm{5333}}^1$

素因数の和:12000

約数の個数: 16

約数和(自身を含む): 318286692864

約数和(自身を除く): 40086710783

約数列:

[1, 7, 1423, 5237, 5333, 9961, 36659, 37331, 7452251, 7588859, 27928921, 52165757, 53122013, 195502447, 39742854583, 278199982081]

約数ペア:

[(1, 278199982081), (7, 39742854583), (1423, 195502447), (5237, 53122013), (5333, 52165757), (9961, 27928921), (36659, 7588859), (37331, 7452251)]