389915576

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{2441}}^1$

素因数の和:2975

約数の個数: 32

約数和(自身を含む): 750768480

約数和(自身を除く): 360852904

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 487, 974, 1948, 2441, 3896, 4882, 9764, 19528, 19967, 39934, 79868, 100081, 159736, 200162, 400324, 800648, 1188767, 2377534, 4755068, 9510136, 48739447, 97478894, 194957788, 389915576]

約数ペア:

[(1, 389915576), (2, 194957788), (4, 97478894), (8, 48739447), (41, 9510136), (82, 4755068), (164, 2377534), (328, 1188767), (487, 800648), (974, 400324), (1948, 200162), (2441, 159736), (3896, 100081), (4882, 79868), (9764, 39934), (19528, 19967)]