1998818

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:449

約数の個数: 16

約数和(自身を含む): 3134976

約数和(自身を除く): 1136158

約数列:

[1, 2, 31, 62, 103, 206, 313, 626, 3193, 6386, 9703, 19406, 32239, 64478, 999409, 1998818]

約数ペア:

[(1, 1998818), (2, 999409), (31, 64478), (62, 32239), (103, 19406), (206, 9703), (313, 6386), (626, 3193)]