2009747236

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{37957}}^1$

素因数の和:38060

約数の個数: 48

約数和(自身を含む): 4217285632

約数和(自身を除く): 2207538396

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 427, 434, 854, 868, 1708, 1891, 3782, 7564, 13237, 26474, 37957, 52948, 75914, 151828, 265699, 531398, 1062796, 1176667, 2315377, 2353334, 4630754, 4706668, 8236669, 9261508, 16207639, 16473338, 32415278, 32946676, 64830556, 71776687, 143553374, 287106748, 502436809, 1004873618, 2009747236]

約数ペア:

[(1, 2009747236), (2, 1004873618), (4, 502436809), (7, 287106748), (14, 143553374), (28, 71776687), (31, 64830556), (61, 32946676), (62, 32415278), (122, 16473338), (124, 16207639), (217, 9261508), (244, 8236669), (427, 4706668), (434, 4630754), (854, 2353334), (868, 2315377), (1708, 1176667), (1891, 1062796), (3782, 531398), (7564, 265699), (13237, 151828), (26474, 75914), (37957, 52948)]