25073209

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 29339008

約数和(自身を除く): 4265799

約数列:

[1, 7, 67, 193, 277, 469, 1351, 1939, 12931, 18559, 53461, 90517, 129913, 374227, 3581887, 25073209]

約数ペア:

[(1, 25073209), (7, 3581887), (67, 374227), (193, 129913), (277, 90517), (469, 53461), (1351, 18559), (1939, 12931)]