28052864

素因数分解:

$2^7\times 7^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 64627200

約数和(自身を除く): 36574336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 131, 224, 239, 262, 448, 478, 524, 896, 917, 956, 1048, 1673, 1834, 1912, 2096, 3346, 3668, 3824, 4192, 6692, 7336, 7648, 8384, 13384, 14672, 15296, 16768, 26768, 29344, 30592, 31309, 53536, 58688, 62618, 107072, 117376, 125236, 214144, 219163, 250472, 438326, 500944, 876652, 1001888, 1753304, 2003776, 3506608, 4007552, 7013216, 14026432, 28052864]

約数ペア:

[(1, 28052864), (2, 14026432), (4, 7013216), (7, 4007552), (8, 3506608), (14, 2003776), (16, 1753304), (28, 1001888), (32, 876652), (56, 500944), (64, 438326), (112, 250472), (128, 219163), (131, 214144), (224, 125236), (239, 117376), (262, 107072), (448, 62618), (478, 58688), (524, 53536), (896, 31309), (917, 30592), (956, 29344), (1048, 26768), (1673, 16768), (1834, 15296), (1912, 14672), (2096, 13384), (3346, 8384), (3668, 7648), (3824, 7336), (4192, 6692)]