243969904

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{139891}}^1$

素因数の和:140008

約数の個数: 20

約数和(自身を含む): 477031720

約数和(自身を除く): 233061816

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 139891, 279782, 559564, 1119128, 2238256, 15248119, 30496238, 60992476, 121984952, 243969904]

約数ペア:

[(1, 243969904), (2, 121984952), (4, 60992476), (8, 30496238), (16, 15248119), (109, 2238256), (218, 1119128), (436, 559564), (872, 279782), (1744, 139891)]