1664987056

素因数分解:

$2^4\times {\mathrm{1559}}^1\times {\mathrm{66749}}^1$

素因数の和:68316

約数の個数: 20

約数和(自身を含む): 3228030000

約数和(自身を除く): 1563042944

約数列:

[1, 2, 4, 8, 16, 1559, 3118, 6236, 12472, 24944, 66749, 133498, 266996, 533992, 1067984, 104061691, 208123382, 416246764, 832493528, 1664987056]

約数ペア:

[(1, 1664987056), (2, 832493528), (4, 416246764), (8, 208123382), (16, 104061691), (1559, 1067984), (3118, 533992), (6236, 266996), (12472, 133498), (24944, 66749)]