209857424

素因数分解:

$2^4\times 7^1\times {\mathrm{1873727}}^1$

素因数の和:1873742

約数の個数: 20

約数和(自身を含む): 464684544

約数和(自身を除く): 254827120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1873727, 3747454, 7494908, 13116089, 14989816, 26232178, 29979632, 52464356, 104928712, 209857424]

約数ペア:

[(1, 209857424), (2, 104928712), (4, 52464356), (7, 29979632), (8, 26232178), (14, 14989816), (16, 13116089), (28, 7494908), (56, 3747454), (112, 1873727)]