2666812

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{487}}^1$

素因数の和:565

約数の個数: 18

約数和(自身を含む): 4806312

約数和(自身を除く): 2139500

約数列:

[1, 2, 4, 37, 74, 148, 487, 974, 1369, 1948, 2738, 5476, 18019, 36038, 72076, 666703, 1333406, 2666812]

約数ペア:

[(1, 2666812), (2, 1333406), (4, 666703), (37, 72076), (74, 36038), (148, 18019), (487, 5476), (974, 2738), (1369, 1948)]