254187856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1222057}}^1$

素因数の和:1222078

約数の個数: 20

約数和(自身を含む): 530373172

約数和(自身を除く): 276185316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1222057, 2444114, 4888228, 9776456, 15886741, 19552912, 31773482, 63546964, 127093928, 254187856]

約数ペア:

[(1, 254187856), (2, 127093928), (4, 63546964), (8, 31773482), (13, 19552912), (16, 15886741), (26, 9776456), (52, 4888228), (104, 2444114), (208, 1222057)]