25902149

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 8289211

約数列:

[1, 7, 13, 19, 71, 91, 133, 211, 247, 497, 923, 1349, 1477, 1729, 2743, 4009, 6461, 9443, 14981, 17537, 19201, 28063, 52117, 104867, 122759, 194753, 284639, 364819, 1363271, 1992473, 3700307, 25902149]

約数ペア:

[(1, 25902149), (7, 3700307), (13, 1992473), (19, 1363271), (71, 364819), (91, 284639), (133, 194753), (211, 122759), (247, 104867), (497, 52117), (923, 28063), (1349, 19201), (1477, 17537), (1729, 14981), (2743, 9443), (4009, 6461)]