399021104

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{246919}}^1$

素因数の和:247028

約数の個数: 20

約数和(自身を含む): 780761040

約数和(自身を除く): 381739936

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 246919, 493838, 987676, 1975352, 3950704, 24938819, 49877638, 99755276, 199510552, 399021104]

約数ペア:

[(1, 399021104), (2, 199510552), (4, 99755276), (8, 49877638), (16, 24938819), (101, 3950704), (202, 1975352), (404, 987676), (808, 493838), (1616, 246919)]