80428796

素因数分解:

$2^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{2083}}^1$

素因数の和:2298

約数の個数: 36

約数和(自身を含む): 164640168

約数和(自身を除く): 84211372

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 197, 394, 788, 1379, 2083, 2758, 4166, 5516, 8332, 9653, 14581, 19306, 29162, 38612, 58324, 102067, 204134, 408268, 410351, 820702, 1641404, 2872457, 5744914, 11489828, 20107199, 40214398, 80428796]

約数ペア:

[(1, 80428796), (2, 40214398), (4, 20107199), (7, 11489828), (14, 5744914), (28, 2872457), (49, 1641404), (98, 820702), (196, 410351), (197, 408268), (394, 204134), (788, 102067), (1379, 58324), (2083, 38612), (2758, 29162), (4166, 19306), (5516, 14581), (8332, 9653)]