255428638

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 412948800

約数和(自身を除く): 157520162

約数列:

[1, 2, 17, 34, 109, 157, 218, 314, 439, 878, 1853, 2669, 3706, 5338, 7463, 14926, 17113, 34226, 47851, 68923, 95702, 137846, 290921, 581842, 813467, 1171691, 1626934, 2343382, 7512607, 15025214, 127714319, 255428638]

約数ペア:

[(1, 255428638), (2, 127714319), (17, 15025214), (34, 7512607), (109, 2343382), (157, 1626934), (218, 1171691), (314, 813467), (439, 581842), (878, 290921), (1853, 137846), (2669, 95702), (3706, 68923), (5338, 47851), (7463, 34226), (14926, 17113)]