213344716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 412776000

約数和(自身を除く): 199431284

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 199, 212, 389, 398, 689, 778, 796, 1378, 1556, 2587, 2756, 5057, 5174, 10114, 10348, 10547, 20228, 20617, 21094, 41234, 42188, 77411, 82468, 137111, 154822, 268021, 274222, 309644, 536042, 548444, 1006343, 1072084, 2012686, 4025372, 4102783, 8205566, 16411132, 53336179, 106672358, 213344716]

約数ペア:

[(1, 213344716), (2, 106672358), (4, 53336179), (13, 16411132), (26, 8205566), (52, 4102783), (53, 4025372), (106, 2012686), (199, 1072084), (212, 1006343), (389, 548444), (398, 536042), (689, 309644), (778, 274222), (796, 268021), (1378, 154822), (1556, 137111), (2587, 82468), (2756, 77411), (5057, 42188), (5174, 41234), (10114, 21094), (10348, 20617), (10547, 20228)]