253247897

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{5531}}^1$

素因数の和:5780

約数の個数: 16

約数和(自身を含む): 300232704

約数和(自身を除く): 46984807

約数列:

[1, 7, 31, 211, 217, 1477, 5531, 6541, 38717, 45787, 171461, 1167041, 1200227, 8169287, 36178271, 253247897]

約数ペア:

[(1, 253247897), (7, 36178271), (31, 8169287), (211, 1200227), (217, 1167041), (1477, 171461), (5531, 45787), (6541, 38717)]