80887828

素因数分解:

$2^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{4637}}^1$

素因数の和:4744

約数の個数: 36

約数和(自身を含む): 166550580

約数和(自身を除く): 85662752

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 356, 623, 1246, 2492, 4361, 4637, 8722, 9274, 17444, 18548, 32459, 64918, 129836, 227213, 412693, 454426, 825386, 908852, 1650772, 2888851, 5777702, 11555404, 20221957, 40443914, 80887828]

約数ペア:

[(1, 80887828), (2, 40443914), (4, 20221957), (7, 11555404), (14, 5777702), (28, 2888851), (49, 1650772), (89, 908852), (98, 825386), (178, 454426), (196, 412693), (356, 227213), (623, 129836), (1246, 64918), (2492, 32459), (4361, 18548), (4637, 17444), (8722, 9274)]