491398672

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1616443}}^1$

素因数の和:1616470

約数の個数: 20

約数和(自身を含む): 1002195280

約数和(自身を除く): 510796608

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1616443, 3232886, 6465772, 12931544, 25863088, 30712417, 61424834, 122849668, 245699336, 491398672]

約数ペア:

[(1, 491398672), (2, 245699336), (4, 122849668), (8, 61424834), (16, 30712417), (19, 25863088), (38, 12931544), (76, 6465772), (152, 3232886), (304, 1616443)]