278305105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{30803}}^1$

素因数の和:30960

約数の個数: 16

約数和(自身を含む): 362255040

約数和(自身を除く): 83949935

約数列:

[1, 5, 13, 65, 139, 695, 1807, 9035, 30803, 154015, 400439, 2002195, 4281617, 21408085, 55661021, 278305105]

約数ペア:

[(1, 278305105), (5, 55661021), (13, 21408085), (65, 4281617), (139, 2002195), (695, 400439), (1807, 154015), (9035, 30803)]