208315856

素因数分解:

$2^4\times 7^2\times {\mathrm{265709}}^1$

素因数の和:265731

約数の個数: 30

約数和(自身を含む): 469509570

約数和(自身を除く): 261193714

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 265709, 531418, 1062836, 1859963, 2125672, 3719926, 4251344, 7439852, 13019741, 14879704, 26039482, 29759408, 52078964, 104157928, 208315856]

約数ペア:

[(1, 208315856), (2, 104157928), (4, 52078964), (7, 29759408), (8, 26039482), (14, 14879704), (16, 13019741), (28, 7439852), (49, 4251344), (56, 3719926), (98, 2125672), (112, 1859963), (196, 1062836), (392, 531418), (784, 265709)]