25216165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 9330011

約数列:

[1, 5, 13, 23, 65, 101, 115, 167, 299, 505, 835, 1313, 1495, 2171, 2323, 3841, 6565, 10855, 11615, 16867, 19205, 30199, 49933, 84335, 150995, 219271, 249665, 387941, 1096355, 1939705, 5043233, 25216165]

約数ペア:

[(1, 25216165), (5, 5043233), (13, 1939705), (23, 1096355), (65, 387941), (101, 249665), (115, 219271), (167, 150995), (299, 84335), (505, 49933), (835, 30199), (1313, 19205), (1495, 16867), (2171, 11615), (2323, 10855), (3841, 6565)]