81720434

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{19301}}^1$

素因数の和:19405

約数の個数: 16

約数和(自身を含む): 128551320

約数和(自身を除く): 46830886

約数列:

[1, 2, 29, 58, 73, 146, 2117, 4234, 19301, 38602, 559729, 1119458, 1408973, 2817946, 40860217, 81720434]

約数ペア:

[(1, 81720434), (2, 40860217), (29, 2817946), (58, 1408973), (73, 1119458), (146, 559729), (2117, 38602), (4234, 19301)]