81971624

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77041}}^1$

素因数の和:77073

約数の個数: 32

約数和(自身を含む): 184900800

約数和(自身を除く): 102929176

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 77041, 154082, 308164, 539287, 616328, 1078574, 1463779, 2157148, 2927558, 4314296, 5855116, 10246453, 11710232, 20492906, 40985812, 81971624]

約数ペア:

[(1, 81971624), (2, 40985812), (4, 20492906), (7, 11710232), (8, 10246453), (14, 5855116), (19, 4314296), (28, 2927558), (38, 2157148), (56, 1463779), (76, 1078574), (133, 616328), (152, 539287), (266, 308164), (532, 154082), (1064, 77041)]