1291363654

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{663599}}^1$

素因数の和:663747

約数の個数: 16

約数和(自身を含む): 2229696000

約数和(自身を除く): 938332346

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 663599, 1327198, 4645193, 9290386, 92240261, 184480522, 645681827, 1291363654]

約数ペア:

[(1, 1291363654), (2, 645681827), (7, 184480522), (14, 92240261), (139, 9290386), (278, 4645193), (973, 1327198), (1946, 663599)]