639377354

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4151801}}^1$

素因数の和:4151821

約数の個数: 16

約数和(自身を含む): 1195718976

約数和(自身を除く): 556341622

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 4151801, 8303602, 29062607, 45669811, 58125214, 91339622, 319688677, 639377354]

約数ペア:

[(1, 639377354), (2, 319688677), (7, 91339622), (11, 58125214), (14, 45669811), (22, 29062607), (77, 8303602), (154, 4151801)]