257668518

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{28309}}^1$

素因数の和:28392

約数の個数: 32

約数和(自身を含む): 542193120

約数和(自身を除く): 284524602

約数列:

[1, 2, 3, 6, 37, 41, 74, 82, 111, 123, 222, 246, 1517, 3034, 4551, 9102, 28309, 56618, 84927, 169854, 1047433, 1160669, 2094866, 2321338, 3142299, 3482007, 6284598, 6964014, 42944753, 85889506, 128834259, 257668518]

約数ペア:

[(1, 257668518), (2, 128834259), (3, 85889506), (6, 42944753), (37, 6964014), (41, 6284598), (74, 3482007), (82, 3142299), (111, 2321338), (123, 2094866), (222, 1160669), (246, 1047433), (1517, 169854), (3034, 84927), (4551, 56618), (9102, 28309)]