290419064

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{214807}}^1$

素因数の和:214839

約数の個数: 24

約数和(自身を含む): 589647960

約数和(自身を除く): 299228896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 214807, 429614, 859228, 1718456, 2792491, 5584982, 11169964, 22339928, 36302383, 72604766, 145209532, 290419064]

約数ペア:

[(1, 290419064), (2, 145209532), (4, 72604766), (8, 36302383), (13, 22339928), (26, 11169964), (52, 5584982), (104, 2792491), (169, 1718456), (338, 859228), (676, 429614), (1352, 214807)]