199451216

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{541987}}^1$

素因数の和:542018

約数の個数: 20

約数和(自身を含む): 403239072

約数和(自身を除く): 203787856

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 541987, 1083974, 2167948, 4335896, 8671792, 12465701, 24931402, 49862804, 99725608, 199451216]

約数ペア:

[(1, 199451216), (2, 99725608), (4, 49862804), (8, 24931402), (16, 12465701), (23, 8671792), (46, 4335896), (92, 2167948), (184, 1083974), (368, 541987)]