426689432

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 884520000

約数和(自身を除く): 457830568

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 199, 212, 389, 398, 424, 689, 778, 796, 1378, 1556, 1592, 2587, 2756, 3112, 5057, 5174, 5512, 10114, 10348, 10547, 20228, 20617, 20696, 21094, 40456, 41234, 42188, 77411, 82468, 84376, 137111, 154822, 164936, 268021, 274222, 309644, 536042, 548444, 619288, 1006343, 1072084, 1096888, 2012686, 2144168, 4025372, 4102783, 8050744, 8205566, 16411132, 32822264, 53336179, 106672358, 213344716, 426689432]

約数ペア:

[(1, 426689432), (2, 213344716), (4, 106672358), (8, 53336179), (13, 32822264), (26, 16411132), (52, 8205566), (53, 8050744), (104, 4102783), (106, 4025372), (199, 2144168), (212, 2012686), (389, 1096888), (398, 1072084), (424, 1006343), (689, 619288), (778, 548444), (796, 536042), (1378, 309644), (1556, 274222), (1592, 268021), (2587, 164936), (2756, 154822), (3112, 137111), (5057, 84376), (5174, 82468), (5512, 77411), (10114, 42188), (10348, 41234), (10547, 40456), (20228, 21094), (20617, 20696)]