647940383

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{8293}}^1$

素因数の和:8438

約数の個数: 16

約数和(自身を含む): 700677120

約数和(自身を除く): 52736737

約数列:

[1, 23, 43, 79, 989, 1817, 3397, 8293, 78131, 190739, 356599, 655147, 8201777, 15068381, 28171321, 647940383]

約数ペア:

[(1, 647940383), (23, 28171321), (43, 15068381), (79, 8201777), (989, 655147), (1817, 356599), (3397, 190739), (8293, 78131)]