142758515

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{6761}}^1$

素因数の和:6910

約数の個数: 16

約数和(自身を含む): 177218496

約数和(自身を除く): 34459981

約数列:

[1, 5, 41, 103, 205, 515, 4223, 6761, 21115, 33805, 277201, 696383, 1386005, 3481915, 28551703, 142758515]

約数ペア:

[(1, 142758515), (5, 28551703), (41, 3481915), (103, 1386005), (205, 696383), (515, 277201), (4223, 33805), (6761, 21115)]