7861972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 15482880

約数和(自身を除く): 7620908

約数列:

[1, 2, 4, 19, 31, 38, 47, 62, 71, 76, 94, 124, 142, 188, 284, 589, 893, 1178, 1349, 1457, 1786, 2201, 2356, 2698, 2914, 3337, 3572, 4402, 5396, 5828, 6674, 8804, 13348, 27683, 41819, 55366, 63403, 83638, 103447, 110732, 126806, 167276, 206894, 253612, 413788, 1965493, 3930986, 7861972]

約数ペア:

[(1, 7861972), (2, 3930986), (4, 1965493), (19, 413788), (31, 253612), (38, 206894), (47, 167276), (62, 126806), (71, 110732), (76, 103447), (94, 83638), (124, 63403), (142, 55366), (188, 41819), (284, 27683), (589, 13348), (893, 8804), (1178, 6674), (1349, 5828), (1457, 5396), (1786, 4402), (2201, 3572), (2356, 3337), (2698, 2914)]