25705421

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2383}}^1$

素因数の和:2480

約数の個数: 16

約数和(自身を含む): 31125504

約数和(自身を除く): 5420083

約数列:

[1, 7, 23, 67, 161, 469, 1541, 2383, 10787, 16681, 54809, 159661, 383663, 1117627, 3672203, 25705421]

約数ペア:

[(1, 25705421), (7, 3672203), (23, 1117627), (67, 383663), (161, 159661), (469, 54809), (1541, 16681), (2383, 10787)]