28178458

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2731}}^1$

素因数の和:2818

約数の個数: 32

約数和(自身を含む): 53503488

約数和(自身を除く): 25325030

約数列:

[1, 2, 7, 11, 14, 22, 67, 77, 134, 154, 469, 737, 938, 1474, 2731, 5159, 5462, 10318, 19117, 30041, 38234, 60082, 182977, 210287, 365954, 420574, 1280839, 2012747, 2561678, 4025494, 14089229, 28178458]

約数ペア:

[(1, 28178458), (2, 14089229), (7, 4025494), (11, 2561678), (14, 2012747), (22, 1280839), (67, 420574), (77, 365954), (134, 210287), (154, 182977), (469, 60082), (737, 38234), (938, 30041), (1474, 19117), (2731, 10318), (5159, 5462)]