25858371

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 46596096

約数和(自身を除く): 20737725

約数列:

[1, 3, 7, 11, 21, 23, 31, 33, 69, 77, 93, 157, 161, 217, 231, 253, 341, 471, 483, 651, 713, 759, 1023, 1099, 1727, 1771, 2139, 2387, 3297, 3611, 4867, 4991, 5181, 5313, 7161, 7843, 10833, 12089, 14601, 14973, 23529, 25277, 34069, 36267, 39721, 53537, 54901, 75831, 102207, 111941, 119163, 160611, 164703, 278047, 335823, 374759, 783587, 834141, 1124277, 1231351, 2350761, 3694053, 8619457, 25858371]

約数ペア:

[(1, 25858371), (3, 8619457), (7, 3694053), (11, 2350761), (21, 1231351), (23, 1124277), (31, 834141), (33, 783587), (69, 374759), (77, 335823), (93, 278047), (157, 164703), (161, 160611), (217, 119163), (231, 111941), (253, 102207), (341, 75831), (471, 54901), (483, 53537), (651, 39721), (713, 36267), (759, 34069), (1023, 25277), (1099, 23529), (1727, 14973), (1771, 14601), (2139, 12089), (2387, 10833), (3297, 7843), (3611, 7161), (4867, 5313), (4991, 5181)]