38963771

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 12876229

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 343, 449, 539, 1127, 1771, 3143, 3773, 4939, 7889, 10327, 12397, 22001, 34573, 72289, 86779, 113597, 154007, 242011, 506023, 795179, 1694077, 3542161, 5566253, 38963771]

約数ペア:

[(1, 38963771), (7, 5566253), (11, 3542161), (23, 1694077), (49, 795179), (77, 506023), (161, 242011), (253, 154007), (343, 113597), (449, 86779), (539, 72289), (1127, 34573), (1771, 22001), (3143, 12397), (3773, 10327), (4939, 7889)]