989833316

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{147209}}^1$

素因数の和:147295

約数の個数: 18

約数和(自身を含む): 1775499810

約数和(自身を除く): 785666494

約数列:

[1, 2, 4, 41, 82, 164, 1681, 3362, 6724, 147209, 294418, 588836, 6035569, 12071138, 24142276, 247458329, 494916658, 989833316]

約数ペア:

[(1, 989833316), (2, 494916658), (4, 247458329), (41, 24142276), (82, 12071138), (164, 6035569), (1681, 588836), (3362, 294418), (6724, 147209)]