1980688

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{1567}}^1$

素因数の和:1654

約数の個数: 20

約数和(自身を含む): 3888640

約数和(自身を除く): 1907952

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 1567, 3134, 6268, 12536, 25072, 123793, 247586, 495172, 990344, 1980688]

約数ペア:

[(1, 1980688), (2, 990344), (4, 495172), (8, 247586), (16, 123793), (79, 25072), (158, 12536), (316, 6268), (632, 3134), (1264, 1567)]