128889174904

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1\times {\mathrm{25759}}^1$

素因数の和:26420

約数の個数: 64

約数和(自身を含む): 278208000000

約数和(自身を除く): 149318825096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 449, 796, 898, 1393, 1592, 1796, 2786, 3143, 3592, 5572, 6286, 11144, 12572, 25144, 25759, 51518, 89351, 103036, 178702, 180313, 206072, 357404, 360626, 625457, 714808, 721252, 1250914, 1442504, 2501828, 5003656, 5126041, 10252082, 11565791, 20504164, 23131582, 35882287, 41008328, 46263164, 71764574, 80960537, 92526328, 143529148, 161921074, 287058296, 323842148, 647684296, 2301592409, 4603184818, 9206369636, 16111146863, 18412739272, 32222293726, 64444587452, 128889174904]

約数ペア:

[(1, 128889174904), (2, 64444587452), (4, 32222293726), (7, 18412739272), (8, 16111146863), (14, 9206369636), (28, 4603184818), (56, 2301592409), (199, 647684296), (398, 323842148), (449, 287058296), (796, 161921074), (898, 143529148), (1393, 92526328), (1592, 80960537), (1796, 71764574), (2786, 46263164), (3143, 41008328), (3592, 35882287), (5572, 23131582), (6286, 20504164), (11144, 11565791), (12572, 10252082), (25144, 5126041), (25759, 5003656), (51518, 2501828), (89351, 1442504), (103036, 1250914), (178702, 721252), (180313, 714808), (206072, 625457), (357404, 360626)]