28291654

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{6427}}^1$

素因数の和:6531

約数の個数: 16

約数和(自身を含む): 44430336

約数和(自身を除く): 16138682

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 6427, 12854, 199237, 398474, 456317, 912634, 14145827, 28291654]

約数ペア:

[(1, 28291654), (2, 14145827), (31, 912634), (62, 456317), (71, 398474), (142, 199237), (2201, 12854), (4402, 6427)]