28520576

素因数分解:

$2^7\times 7^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 65688000

約数和(自身を除く): 37167424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 229, 278, 448, 458, 556, 896, 916, 973, 1112, 1603, 1832, 1946, 2224, 3206, 3664, 3892, 4448, 6412, 7328, 7784, 8896, 12824, 14656, 15568, 17792, 25648, 29312, 31136, 31831, 51296, 62272, 63662, 102592, 124544, 127324, 205184, 222817, 254648, 445634, 509296, 891268, 1018592, 1782536, 2037184, 3565072, 4074368, 7130144, 14260288, 28520576]

約数ペア:

[(1, 28520576), (2, 14260288), (4, 7130144), (7, 4074368), (8, 3565072), (14, 2037184), (16, 1782536), (28, 1018592), (32, 891268), (56, 509296), (64, 445634), (112, 254648), (128, 222817), (139, 205184), (224, 127324), (229, 124544), (278, 102592), (448, 63662), (458, 62272), (556, 51296), (896, 31831), (916, 31136), (973, 29312), (1112, 25648), (1603, 17792), (1832, 15568), (1946, 14656), (2224, 12824), (3206, 8896), (3664, 7784), (3892, 7328), (4448, 6412)]