253134868

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 516015360

約数和(自身を除く): 262880492

約数列:

[1, 2, 4, 7, 14, 28, 89, 157, 178, 314, 356, 623, 628, 647, 1099, 1246, 1294, 2198, 2492, 2588, 4396, 4529, 9058, 13973, 18116, 27946, 55892, 57583, 97811, 101579, 115166, 195622, 203158, 230332, 391244, 403081, 406316, 711053, 806162, 1422106, 1612324, 2844212, 9040531, 18081062, 36162124, 63283717, 126567434, 253134868]

約数ペア:

[(1, 253134868), (2, 126567434), (4, 63283717), (7, 36162124), (14, 18081062), (28, 9040531), (89, 2844212), (157, 1612324), (178, 1422106), (314, 806162), (356, 711053), (623, 406316), (628, 403081), (647, 391244), (1099, 230332), (1246, 203158), (1294, 195622), (2198, 115166), (2492, 101579), (2588, 97811), (4396, 57583), (4529, 55892), (9058, 27946), (13973, 18116)]