81719504

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{829}}^1$

素因数の和:999

約数の個数: 40

約数和(自身を含む): 162716520

約数和(自身を除く): 80997016

約数列:

[1, 2, 4, 8, 16, 61, 101, 122, 202, 244, 404, 488, 808, 829, 976, 1616, 1658, 3316, 6161, 6632, 12322, 13264, 24644, 49288, 50569, 83729, 98576, 101138, 167458, 202276, 334916, 404552, 669832, 809104, 1339664, 5107469, 10214938, 20429876, 40859752, 81719504]

約数ペア:

[(1, 81719504), (2, 40859752), (4, 20429876), (8, 10214938), (16, 5107469), (61, 1339664), (101, 809104), (122, 669832), (202, 404552), (244, 334916), (404, 202276), (488, 167458), (808, 101138), (829, 98576), (976, 83729), (1616, 50569), (1658, 49288), (3316, 24644), (6161, 13264), (6632, 12322)]