1380521744

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{202067}}^1$

素因数の和:202143

約数の個数: 40

約数和(自身を含む): 3106997568

約数和(自身を除く): 1726475824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 202067, 404134, 808268, 1414469, 1616536, 2828938, 3233072, 5657876, 11315752, 12326087, 22631504, 24652174, 49304348, 86282609, 98608696, 172565218, 197217392, 345130436, 690260872, 1380521744]

約数ペア:

[(1, 1380521744), (2, 690260872), (4, 345130436), (7, 197217392), (8, 172565218), (14, 98608696), (16, 86282609), (28, 49304348), (56, 24652174), (61, 22631504), (112, 12326087), (122, 11315752), (244, 5657876), (427, 3233072), (488, 2828938), (854, 1616536), (976, 1414469), (1708, 808268), (3416, 404134), (6832, 202067)]