25384385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2621}}^1$

素因数の和:2788

約数の個数: 16

約数和(自身を含む): 33037200

約数和(自身を除く): 7652815

約数列:

[1, 5, 13, 65, 149, 745, 1937, 2621, 9685, 13105, 34073, 170365, 390529, 1952645, 5076877, 25384385]

約数ペア:

[(1, 25384385), (5, 5076877), (13, 1952645), (65, 390529), (149, 170365), (745, 34073), (1937, 13105), (2621, 9685)]