28180724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2593}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 61010880

約数和(自身を除く): 32830156

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 2593, 2717, 5186, 5434, 10372, 10868, 28523, 33709, 49267, 57046, 67418, 98534, 114092, 134836, 197068, 370799, 541937, 640471, 741598, 1083874, 1280942, 1483196, 2167748, 2561884, 7045181, 14090362, 28180724]

約数ペア:

[(1, 28180724), (2, 14090362), (4, 7045181), (11, 2561884), (13, 2167748), (19, 1483196), (22, 1280942), (26, 1083874), (38, 741598), (44, 640471), (52, 541937), (76, 370799), (143, 197068), (209, 134836), (247, 114092), (286, 98534), (418, 67418), (494, 57046), (572, 49267), (836, 33709), (988, 28523), (2593, 10868), (2717, 10372), (5186, 5434)]