28621481728

素因数分解:

$2^8\times 7^2\times {\mathrm{2281687}}^1$

素因数の和:2281717

約数の個数: 54

約数和(自身を含む): 66458726376

約数和(自身を除く): 37837244648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 2281687, 4563374, 9126748, 15971809, 18253496, 31943618, 36506992, 63887236, 73013984, 111802663, 127774472, 146027968, 223605326, 255548944, 292055936, 447210652, 511097888, 584111872, 894421304, 1022195776, 1788842608, 2044391552, 3577685216, 4088783104, 7155370432, 14310740864, 28621481728]

約数ペア:

[(1, 28621481728), (2, 14310740864), (4, 7155370432), (7, 4088783104), (8, 3577685216), (14, 2044391552), (16, 1788842608), (28, 1022195776), (32, 894421304), (49, 584111872), (56, 511097888), (64, 447210652), (98, 292055936), (112, 255548944), (128, 223605326), (196, 146027968), (224, 127774472), (256, 111802663), (392, 73013984), (448, 63887236), (784, 36506992), (896, 31943618), (1568, 18253496), (1792, 15971809), (3136, 9126748), (6272, 4563374), (12544, 2281687)]