28928032

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1014

約数の個数: 72

約数和(自身を含む): 69809040

約数和(自身を除く): 40881008

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 784, 931, 971, 1064, 1568, 1862, 1942, 2128, 3724, 3884, 4256, 6797, 7448, 7768, 13594, 14896, 15536, 18449, 27188, 29792, 31072, 36898, 47579, 54376, 73796, 95158, 108752, 129143, 147592, 190316, 217504, 258286, 295184, 380632, 516572, 590368, 761264, 904001, 1033144, 1522528, 1808002, 2066288, 3616004, 4132576, 7232008, 14464016, 28928032]

約数ペア:

[(1, 28928032), (2, 14464016), (4, 7232008), (7, 4132576), (8, 3616004), (14, 2066288), (16, 1808002), (19, 1522528), (28, 1033144), (32, 904001), (38, 761264), (49, 590368), (56, 516572), (76, 380632), (98, 295184), (112, 258286), (133, 217504), (152, 190316), (196, 147592), (224, 129143), (266, 108752), (304, 95158), (392, 73796), (532, 54376), (608, 47579), (784, 36898), (931, 31072), (971, 29792), (1064, 27188), (1568, 18449), (1862, 15536), (1942, 14896), (2128, 13594), (3724, 7768), (3884, 7448), (4256, 6797)]