427838476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191341}}^1$

素因数の和:191401

約数の個数: 24

約数和(自身を含む): 825066704

約数和(自身を除く): 397228228

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 191341, 382682, 765364, 2487433, 4974866, 8227663, 9949732, 16455326, 32910652, 106959619, 213919238, 427838476]

約数ペア:

[(1, 427838476), (2, 213919238), (4, 106959619), (13, 32910652), (26, 16455326), (43, 9949732), (52, 8227663), (86, 4974866), (172, 2487433), (559, 765364), (1118, 382682), (2236, 191341)]