25365399

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 37171200

約数和(自身を除く): 11805801

約数列:

[1, 3, 19, 43, 57, 79, 129, 131, 237, 393, 817, 1501, 2451, 2489, 3397, 4503, 5633, 7467, 10191, 10349, 16899, 31047, 64543, 107027, 193629, 196631, 321081, 445007, 589893, 1335021, 8455133, 25365399]

約数ペア:

[(1, 25365399), (3, 8455133), (19, 1335021), (43, 589893), (57, 445007), (79, 321081), (129, 196631), (131, 193629), (237, 107027), (393, 64543), (817, 31047), (1501, 16899), (2451, 10349), (2489, 10191), (3397, 7467), (4503, 5633)]