254325421

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{17749}}^1$

素因数の和:17868

約数の個数: 16

約数和(自身を含む): 306720000

約数和(自身を除く): 52394579

約数列:

[1, 7, 23, 89, 161, 623, 2047, 14329, 17749, 124243, 408227, 1579661, 2857589, 11057627, 36332203, 254325421]

約数ペア:

[(1, 254325421), (7, 36332203), (23, 11057627), (89, 2857589), (161, 1579661), (623, 408227), (2047, 124243), (14329, 17749)]