199959864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1487}}^1$

素因数の和:1940

約数の個数: 64

約数和(自身を含む): 539965440

約数和(自身を除く): 340005576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 431, 862, 1293, 1487, 1724, 2586, 2974, 3448, 4461, 5172, 5603, 5948, 8922, 10344, 11206, 11896, 16809, 17844, 19331, 22412, 33618, 35688, 38662, 44824, 57993, 67236, 77324, 115986, 134472, 154648, 231972, 463944, 640897, 1281794, 1922691, 2563588, 3845382, 5127176, 7690764, 8331661, 15381528, 16663322, 24994983, 33326644, 49989966, 66653288, 99979932, 199959864]

約数ペア:

[(1, 199959864), (2, 99979932), (3, 66653288), (4, 49989966), (6, 33326644), (8, 24994983), (12, 16663322), (13, 15381528), (24, 8331661), (26, 7690764), (39, 5127176), (52, 3845382), (78, 2563588), (104, 1922691), (156, 1281794), (312, 640897), (431, 463944), (862, 231972), (1293, 154648), (1487, 134472), (1724, 115986), (2586, 77324), (2974, 67236), (3448, 57993), (4461, 44824), (5172, 38662), (5603, 35688), (5948, 33618), (8922, 22412), (10344, 19331), (11206, 17844), (11896, 16809)]