28919072

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9931}}^1$

素因数の和:9961

約数の個数: 48

約数和(自身を含む): 70080192

約数和(自身を除く): 41161120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 9931, 19862, 39724, 69517, 79448, 129103, 139034, 158896, 258206, 278068, 317792, 516412, 556136, 903721, 1032824, 1112272, 1807442, 2065648, 2224544, 3614884, 4131296, 7229768, 14459536, 28919072]

約数ペア:

[(1, 28919072), (2, 14459536), (4, 7229768), (7, 4131296), (8, 3614884), (13, 2224544), (14, 2065648), (16, 1807442), (26, 1112272), (28, 1032824), (32, 903721), (52, 556136), (56, 516412), (91, 317792), (104, 278068), (112, 258206), (182, 158896), (208, 139034), (224, 129103), (364, 79448), (416, 69517), (728, 39724), (1456, 19862), (2912, 9931)]