387721216

素因数分解:

$2^{11}\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 805134330

約数和(自身を除く): 417413114

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 197, 248, 256, 394, 496, 512, 788, 961, 992, 1024, 1576, 1922, 1984, 2048, 3152, 3844, 3968, 6107, 6304, 7688, 7936, 12214, 12608, 15376, 15872, 24428, 25216, 30752, 31744, 48856, 50432, 61504, 63488, 97712, 100864, 123008, 189317, 195424, 201728, 246016, 378634, 390848, 403456, 492032, 757268, 781696, 984064, 1514536, 1563392, 1968128, 3029072, 3126784, 6058144, 6253568, 12116288, 12507136, 24232576, 48465152, 96930304, 193860608, 387721216]

約数ペア:

[(1, 387721216), (2, 193860608), (4, 96930304), (8, 48465152), (16, 24232576), (31, 12507136), (32, 12116288), (62, 6253568), (64, 6058144), (124, 3126784), (128, 3029072), (197, 1968128), (248, 1563392), (256, 1514536), (394, 984064), (496, 781696), (512, 757268), (788, 492032), (961, 403456), (992, 390848), (1024, 378634), (1576, 246016), (1922, 201728), (1984, 195424), (2048, 189317), (3152, 123008), (3844, 100864), (3968, 97712), (6107, 63488), (6304, 61504), (7688, 50432), (7936, 48856), (12214, 31744), (12608, 30752), (15376, 25216), (15872, 24428)]