8640268

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3391}}^1$

素因数の和:3422

約数の個数: 36

約数和(自身を含む): 18947712

約数和(自身を除く): 10307444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 3391, 6782, 13564, 23737, 44083, 47474, 88166, 94948, 166159, 176332, 308581, 332318, 617162, 664636, 1234324, 2160067, 4320134, 8640268]

約数ペア:

[(1, 8640268), (2, 4320134), (4, 2160067), (7, 1234324), (13, 664636), (14, 617162), (26, 332318), (28, 308581), (49, 176332), (52, 166159), (91, 94948), (98, 88166), (182, 47474), (196, 44083), (364, 23737), (637, 13564), (1274, 6782), (2548, 3391)]