28113904

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19309}}^1$

素因数の和:19337

約数の個数: 40

約数和(自身を含む): 67044320

約数和(自身を除く): 38930416

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19309, 38618, 77236, 135163, 154472, 251017, 270326, 308944, 502034, 540652, 1004068, 1081304, 1757119, 2008136, 2162608, 3514238, 4016272, 7028476, 14056952, 28113904]

約数ペア:

[(1, 28113904), (2, 14056952), (4, 7028476), (7, 4016272), (8, 3514238), (13, 2162608), (14, 2008136), (16, 1757119), (26, 1081304), (28, 1004068), (52, 540652), (56, 502034), (91, 308944), (104, 270326), (112, 251017), (182, 154472), (208, 135163), (364, 77236), (728, 38618), (1456, 19309)]