25887172

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 46126080

約数和(自身を除く): 20238908

約数列:

[1, 2, 4, 127, 131, 254, 262, 389, 508, 524, 778, 1556, 16637, 33274, 49403, 50959, 66548, 98806, 101918, 197612, 203836, 6471793, 12943586, 25887172]

約数ペア:

[(1, 25887172), (2, 12943586), (4, 6471793), (127, 203836), (131, 197612), (254, 101918), (262, 98806), (389, 66548), (508, 50959), (524, 49403), (778, 33274), (1556, 16637)]