87347491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 123273216

約数和(自身を除く): 35925725

約数列:

[1, 7, 11, 23, 31, 37, 43, 77, 161, 217, 253, 259, 301, 341, 407, 473, 713, 851, 989, 1147, 1333, 1591, 1771, 2387, 2849, 3311, 4991, 5957, 6923, 7843, 8029, 9331, 9361, 10879, 11137, 12617, 14663, 17501, 26381, 30659, 36593, 49321, 54901, 65527, 76153, 88319, 102641, 122507, 184667, 214613, 256151, 290191, 337249, 345247, 402523, 542531, 1134383, 2031337, 2360743, 2817661, 3797717, 7940681, 12478213, 87347491]

約数ペア:

[(1, 87347491), (7, 12478213), (11, 7940681), (23, 3797717), (31, 2817661), (37, 2360743), (43, 2031337), (77, 1134383), (161, 542531), (217, 402523), (253, 345247), (259, 337249), (301, 290191), (341, 256151), (407, 214613), (473, 184667), (713, 122507), (851, 102641), (989, 88319), (1147, 76153), (1333, 65527), (1591, 54901), (1771, 49321), (2387, 36593), (2849, 30659), (3311, 26381), (4991, 17501), (5957, 14663), (6923, 12617), (7843, 11137), (8029, 10879), (9331, 9361)]