255565116

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{3137}}^1$

素因数の和:3251

約数の個数: 72

約数和(自身を含む): 676201344

約数和(自身を除く): 420636228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 73, 93, 124, 146, 186, 219, 279, 292, 372, 438, 558, 657, 876, 1116, 1314, 2263, 2628, 3137, 4526, 6274, 6789, 9052, 9411, 12548, 13578, 18822, 20367, 27156, 28233, 37644, 40734, 56466, 81468, 97247, 112932, 194494, 229001, 291741, 388988, 458002, 583482, 687003, 875223, 916004, 1166964, 1374006, 1750446, 2061009, 2748012, 3500892, 4122018, 7099031, 8244036, 14198062, 21297093, 28396124, 42594186, 63891279, 85188372, 127782558, 255565116]

約数ペア:

[(1, 255565116), (2, 127782558), (3, 85188372), (4, 63891279), (6, 42594186), (9, 28396124), (12, 21297093), (18, 14198062), (31, 8244036), (36, 7099031), (62, 4122018), (73, 3500892), (93, 2748012), (124, 2061009), (146, 1750446), (186, 1374006), (219, 1166964), (279, 916004), (292, 875223), (372, 687003), (438, 583482), (558, 458002), (657, 388988), (876, 291741), (1116, 229001), (1314, 194494), (2263, 112932), (2628, 97247), (3137, 81468), (4526, 56466), (6274, 40734), (6789, 37644), (9052, 28233), (9411, 27156), (12548, 20367), (13578, 18822)]