80228071

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 105753600

約数和(自身を除く): 25525529

約数列:

[1, 7, 11, 23, 77, 89, 161, 253, 509, 623, 979, 1771, 2047, 3563, 5599, 6853, 11707, 14329, 22517, 39193, 45301, 81949, 128777, 157619, 317107, 498311, 901439, 1041923, 3488177, 7293461, 11461153, 80228071]

約数ペア:

[(1, 80228071), (7, 11461153), (11, 7293461), (23, 3488177), (77, 1041923), (89, 901439), (161, 498311), (253, 317107), (509, 157619), (623, 128777), (979, 81949), (1771, 45301), (2047, 39193), (3563, 22517), (5599, 14329), (6853, 11707)]