1221059728

素因数分解:

$2^4\times 7^1\times {\mathrm{1907}}^1\times {\mathrm{5717}}^1$

素因数の和:7639

約数の個数: 40

約数和(自身を含む): 2705666112

約数和(自身を除く): 1484606384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1907, 3814, 5717, 7628, 11434, 13349, 15256, 22868, 26698, 30512, 40019, 45736, 53396, 80038, 91472, 106792, 160076, 213584, 320152, 640304, 10902319, 21804638, 43609276, 76316233, 87218552, 152632466, 174437104, 305264932, 610529864, 1221059728]

約数ペア:

[(1, 1221059728), (2, 610529864), (4, 305264932), (7, 174437104), (8, 152632466), (14, 87218552), (16, 76316233), (28, 43609276), (56, 21804638), (112, 10902319), (1907, 640304), (3814, 320152), (5717, 213584), (7628, 160076), (11434, 106792), (13349, 91472), (15256, 80038), (22868, 53396), (26698, 45736), (30512, 40019)]