1994142722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 3583440000

約数和(自身を除く): 1589297278

約数列:

[1, 2, 11, 13, 22, 26, 89, 143, 157, 178, 286, 314, 499, 979, 998, 1157, 1727, 1958, 2041, 2314, 3454, 4082, 5489, 6487, 10978, 12727, 12974, 13973, 22451, 25454, 27946, 44411, 44902, 71357, 78343, 88822, 142714, 153703, 156686, 181649, 307406, 363298, 488521, 577343, 861773, 977042, 1018459, 1154686, 1723546, 1998139, 2036918, 3996278, 6350773, 6972527, 11203049, 12701546, 13945054, 22406098, 76697797, 90642851, 153395594, 181285702, 997071361, 1994142722]

約数ペア:

[(1, 1994142722), (2, 997071361), (11, 181285702), (13, 153395594), (22, 90642851), (26, 76697797), (89, 22406098), (143, 13945054), (157, 12701546), (178, 11203049), (286, 6972527), (314, 6350773), (499, 3996278), (979, 2036918), (998, 1998139), (1157, 1723546), (1727, 1154686), (1958, 1018459), (2041, 977042), (2314, 861773), (3454, 577343), (4082, 488521), (5489, 363298), (6487, 307406), (10978, 181649), (12727, 156686), (12974, 153703), (13973, 142714), (22451, 88822), (25454, 78343), (27946, 71357), (44411, 44902)]