198813424

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{288973}}^1$

素因数の和:289024

約数の個数: 20

約数和(自身を含む): 394160536

約数和(自身を除く): 195347112

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 288973, 577946, 1155892, 2311784, 4623568, 12425839, 24851678, 49703356, 99406712, 198813424]

約数ペア:

[(1, 198813424), (2, 99406712), (4, 49703356), (8, 24851678), (16, 12425839), (43, 4623568), (86, 2311784), (172, 1155892), (344, 577946), (688, 288973)]