71428868

素因数分解:

$2^2\times 7^2\times {\mathrm{364433}}^1$

素因数の和:364451

約数の個数: 18

約数和(自身を含む): 145409166

約数和(自身を除く): 73980298

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 364433, 728866, 1457732, 2551031, 5102062, 10204124, 17857217, 35714434, 71428868]

約数ペア:

[(1, 71428868), (2, 35714434), (4, 17857217), (7, 10204124), (14, 5102062), (28, 2551031), (49, 1457732), (98, 728866), (196, 364433)]