1641856

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 3329280

約数和(自身を除く): 1687424

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 127, 128, 202, 254, 404, 508, 808, 1016, 1616, 2032, 3232, 4064, 6464, 8128, 12827, 12928, 16256, 25654, 51308, 102616, 205232, 410464, 820928, 1641856]

約数ペア:

[(1, 1641856), (2, 820928), (4, 410464), (8, 205232), (16, 102616), (32, 51308), (64, 25654), (101, 16256), (127, 12928), (128, 12827), (202, 8128), (254, 6464), (404, 4064), (508, 3232), (808, 2032), (1016, 1616)]