1981184

素因数分解:

$2^8\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 36

約数和(自身を含む): 4047120

約数和(自身を除く): 2065936

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 109, 128, 142, 218, 256, 284, 436, 568, 872, 1136, 1744, 2272, 3488, 4544, 6976, 7739, 9088, 13952, 15478, 18176, 27904, 30956, 61912, 123824, 247648, 495296, 990592, 1981184]

約数ペア:

[(1, 1981184), (2, 990592), (4, 495296), (8, 247648), (16, 123824), (32, 61912), (64, 30956), (71, 27904), (109, 18176), (128, 15478), (142, 13952), (218, 9088), (256, 7739), (284, 6976), (436, 4544), (568, 3488), (872, 2272), (1136, 1744)]