278851136

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1301}}^1$

素因数の和:1527

約数の個数: 56

約数和(自身を含む): 589321656

約数和(自身を除く): 310470520

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 197, 272, 394, 544, 788, 1088, 1301, 1576, 2602, 3152, 3349, 5204, 6304, 6698, 10408, 12608, 13396, 20816, 22117, 26792, 41632, 44234, 53584, 83264, 88468, 107168, 176936, 214336, 256297, 353872, 512594, 707744, 1025188, 1415488, 2050376, 4100752, 4357049, 8201504, 8714098, 16403008, 17428196, 34856392, 69712784, 139425568, 278851136]

約数ペア:

[(1, 278851136), (2, 139425568), (4, 69712784), (8, 34856392), (16, 17428196), (17, 16403008), (32, 8714098), (34, 8201504), (64, 4357049), (68, 4100752), (136, 2050376), (197, 1415488), (272, 1025188), (394, 707744), (544, 512594), (788, 353872), (1088, 256297), (1301, 214336), (1576, 176936), (2602, 107168), (3152, 88468), (3349, 83264), (5204, 53584), (6304, 44234), (6698, 41632), (10408, 26792), (12608, 22117), (13396, 20816)]