199912972

素因数分解:

$2^2\times 7^1\times {\mathrm{2549}}^1\times {\mathrm{2801}}^1$

素因数の和:5361

約数の個数: 24

約数和(自身を含む): 400125600

約数和(自身を除く): 200212628

約数列:

[1, 2, 4, 7, 14, 28, 2549, 2801, 5098, 5602, 10196, 11204, 17843, 19607, 35686, 39214, 71372, 78428, 7139749, 14279498, 28558996, 49978243, 99956486, 199912972]

約数ペア:

[(1, 199912972), (2, 99956486), (4, 49978243), (7, 28558996), (14, 14279498), (28, 7139749), (2549, 78428), (2801, 71372), (5098, 39214), (5602, 35686), (10196, 19607), (11204, 17843)]