1640216

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{487}}^1$

素因数の和:914

約数の個数: 16

約数和(自身を含む): 3089040

約数和(自身を除く): 1448824

約数列:

[1, 2, 4, 8, 421, 487, 842, 974, 1684, 1948, 3368, 3896, 205027, 410054, 820108, 1640216]

約数ペア:

[(1, 1640216), (2, 820108), (4, 410054), (8, 205027), (421, 3896), (487, 3368), (842, 1948), (974, 1684)]