1326992

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:626

約数の個数: 20

約数和(自身を含む): 2590236

約数和(自身を除く): 1263244

約数列:

[1, 2, 4, 8, 16, 197, 394, 421, 788, 842, 1576, 1684, 3152, 3368, 6736, 82937, 165874, 331748, 663496, 1326992]

約数ペア:

[(1, 1326992), (2, 663496), (4, 331748), (8, 165874), (16, 82937), (197, 6736), (394, 3368), (421, 3152), (788, 1684), (842, 1576)]