256554874

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{5749}}^1$

素因数の和:6225

約数の個数: 16

約数和(自身を含む): 393093000

約数和(自身を除く): 136538126

約数列:

[1, 2, 53, 106, 421, 842, 5749, 11498, 22313, 44626, 304697, 609394, 2420329, 4840658, 128277437, 256554874]

約数ペア:

[(1, 256554874), (2, 128277437), (53, 4840658), (106, 2420329), (421, 609394), (842, 304697), (5749, 44626), (11498, 22313)]