387213968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{4049}}^1$

素因数の和:4239

約数の個数: 40

約数和(自身を含む): 773388000

約数和(自身を除く): 386174032

約数列:

[1, 2, 4, 8, 16, 43, 86, 139, 172, 278, 344, 556, 688, 1112, 2224, 4049, 5977, 8098, 11954, 16196, 23908, 32392, 47816, 64784, 95632, 174107, 348214, 562811, 696428, 1125622, 1392856, 2251244, 2785712, 4502488, 9004976, 24200873, 48401746, 96803492, 193606984, 387213968]

約数ペア:

[(1, 387213968), (2, 193606984), (4, 96803492), (8, 48401746), (16, 24200873), (43, 9004976), (86, 4502488), (139, 2785712), (172, 2251244), (278, 1392856), (344, 1125622), (556, 696428), (688, 562811), (1112, 348214), (2224, 174107), (4049, 95632), (5977, 64784), (8098, 47816), (11954, 32392), (16196, 23908)]