990401989024

素因数分解:

$2^5\times 7^1\times {\mathrm{2539}}^1\times {\mathrm{1741409}}^1$

素因数の和:1743965

約数の個数: 48

約数和(自身を含む): 2229283425600

約数和(自身を除く): 1238881436576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 2539, 5078, 10156, 17773, 20312, 35546, 40624, 71092, 81248, 142184, 284368, 568736, 1741409, 3482818, 6965636, 12189863, 13931272, 24379726, 27862544, 48759452, 55725088, 97518904, 195037808, 390075616, 4421437451, 8842874902, 17685749804, 30950062157, 35371499608, 61900124314, 70742999216, 123800248628, 141485998432, 247600497256, 495200994512, 990401989024]

約数ペア:

[(1, 990401989024), (2, 495200994512), (4, 247600497256), (7, 141485998432), (8, 123800248628), (14, 70742999216), (16, 61900124314), (28, 35371499608), (32, 30950062157), (56, 17685749804), (112, 8842874902), (224, 4421437451), (2539, 390075616), (5078, 195037808), (10156, 97518904), (17773, 55725088), (20312, 48759452), (35546, 27862544), (40624, 24379726), (71092, 13931272), (81248, 12189863), (142184, 6965636), (284368, 3482818), (568736, 1741409)]