1288892515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{238463}}^1$

素因数の和:238538

約数の個数: 16

約数和(自身を含む): 1648263168

約数和(自身を除く): 359370653

約数列:

[1, 5, 23, 47, 115, 235, 1081, 5405, 238463, 1192315, 5484649, 11207761, 27423245, 56038805, 257778503, 1288892515]

約数ペア:

[(1, 1288892515), (5, 257778503), (23, 56038805), (47, 27423245), (115, 11207761), (235, 5484649), (1081, 1192315), (5405, 238463)]