278319006

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:726

約数の個数: 96

約数和(自身を含む): 713276928

約数和(自身を除く): 434957922

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 71, 106, 126, 142, 159, 213, 318, 371, 426, 477, 497, 587, 639, 742, 954, 994, 1113, 1174, 1278, 1491, 1761, 2226, 2982, 3339, 3522, 3763, 4109, 4473, 5283, 6678, 7526, 8218, 8946, 10566, 11289, 12327, 22578, 24654, 26341, 31111, 33867, 36981, 41677, 52682, 62222, 67734, 73962, 79023, 83354, 93333, 125031, 158046, 186666, 217777, 237069, 250062, 279999, 291739, 375093, 435554, 474138, 559998, 583478, 653331, 750186, 875217, 1306662, 1750434, 1959993, 2208881, 2625651, 3919986, 4417762, 5251302, 6626643, 13253286, 15462167, 19879929, 30924334, 39759858, 46386501, 92773002, 139159503, 278319006]

約数ペア:

[(1, 278319006), (2, 139159503), (3, 92773002), (6, 46386501), (7, 39759858), (9, 30924334), (14, 19879929), (18, 15462167), (21, 13253286), (42, 6626643), (53, 5251302), (63, 4417762), (71, 3919986), (106, 2625651), (126, 2208881), (142, 1959993), (159, 1750434), (213, 1306662), (318, 875217), (371, 750186), (426, 653331), (477, 583478), (497, 559998), (587, 474138), (639, 435554), (742, 375093), (954, 291739), (994, 279999), (1113, 250062), (1174, 237069), (1278, 217777), (1491, 186666), (1761, 158046), (2226, 125031), (2982, 93333), (3339, 83354), (3522, 79023), (3763, 73962), (4109, 67734), (4473, 62222), (5283, 52682), (6678, 41677), (7526, 36981), (8218, 33867), (8946, 31111), (10566, 26341), (11289, 24654), (12327, 22578)]