8881567408

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{398491}}^1$

素因数の和:398705

約数の個数: 40

約数和(自身を含む): 19765203200

約数和(自身を除く): 10883635792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 1393, 1592, 2786, 3184, 5572, 11144, 22288, 398491, 796982, 1593964, 2789437, 3187928, 5578874, 6375856, 11157748, 22315496, 44630992, 79299709, 158599418, 317198836, 555097963, 634397672, 1110195926, 1268795344, 2220391852, 4440783704, 8881567408]

約数ペア:

[(1, 8881567408), (2, 4440783704), (4, 2220391852), (7, 1268795344), (8, 1110195926), (14, 634397672), (16, 555097963), (28, 317198836), (56, 158599418), (112, 79299709), (199, 44630992), (398, 22315496), (796, 11157748), (1393, 6375856), (1592, 5578874), (2786, 3187928), (3184, 2789437), (5572, 1593964), (11144, 796982), (22288, 398491)]