389623864

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{811}}^1$

素因数の和:1220

約数の個数: 64

約数和(自身を含む): 874621440

約数和(自身を除く): 484997576

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 373, 644, 746, 811, 1288, 1492, 1622, 2611, 2984, 3244, 5222, 5677, 6488, 8579, 10444, 11354, 17158, 18653, 20888, 22708, 34316, 37306, 45416, 60053, 68632, 74612, 120106, 130571, 149224, 240212, 261142, 302503, 480424, 522284, 605006, 1044568, 1210012, 2117521, 2420024, 4235042, 6957569, 8470084, 13915138, 16940168, 27830276, 48702983, 55660552, 97405966, 194811932, 389623864]

約数ペア:

[(1, 389623864), (2, 194811932), (4, 97405966), (7, 55660552), (8, 48702983), (14, 27830276), (23, 16940168), (28, 13915138), (46, 8470084), (56, 6957569), (92, 4235042), (161, 2420024), (184, 2117521), (322, 1210012), (373, 1044568), (644, 605006), (746, 522284), (811, 480424), (1288, 302503), (1492, 261142), (1622, 240212), (2611, 149224), (2984, 130571), (3244, 120106), (5222, 74612), (5677, 68632), (6488, 60053), (8579, 45416), (10444, 37306), (11354, 34316), (17158, 22708), (18653, 20888)]