219028888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1657}}^1$

素因数の和:1748

約数の個数: 64

約数和(自身を含む): 467953920

約数和(自身を除く): 248925032

約数列:

[1, 2, 4, 8, 13, 26, 31, 41, 52, 62, 82, 104, 124, 164, 248, 328, 403, 533, 806, 1066, 1271, 1612, 1657, 2132, 2542, 3224, 3314, 4264, 5084, 6628, 10168, 13256, 16523, 21541, 33046, 43082, 51367, 66092, 67937, 86164, 102734, 132184, 135874, 172328, 205468, 271748, 410936, 543496, 667771, 883181, 1335542, 1766362, 2106047, 2671084, 3532724, 4212094, 5342168, 7065448, 8424188, 16848376, 27378611, 54757222, 109514444, 219028888]

約数ペア:

[(1, 219028888), (2, 109514444), (4, 54757222), (8, 27378611), (13, 16848376), (26, 8424188), (31, 7065448), (41, 5342168), (52, 4212094), (62, 3532724), (82, 2671084), (104, 2106047), (124, 1766362), (164, 1335542), (248, 883181), (328, 667771), (403, 543496), (533, 410936), (806, 271748), (1066, 205468), (1271, 172328), (1612, 135874), (1657, 132184), (2132, 102734), (2542, 86164), (3224, 67937), (3314, 66092), (4264, 51367), (5084, 43082), (6628, 33046), (10168, 21541), (13256, 16523)]