81736508

素因数分解:

$2^2\times 7^2\times {\mathrm{417023}}^1$

素因数の和:417041

約数の個数: 18

約数和(自身を含む): 166392576

約数和(自身を除く): 84656068

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 417023, 834046, 1668092, 2919161, 5838322, 11676644, 20434127, 40868254, 81736508]

約数ペア:

[(1, 81736508), (2, 40868254), (4, 20434127), (7, 11676644), (14, 5838322), (28, 2919161), (49, 1668092), (98, 834046), (196, 417023)]