26387751

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 13932249

約数列:

[1, 3, 13, 19, 39, 57, 149, 239, 247, 447, 717, 741, 1937, 2831, 3107, 4541, 5811, 8493, 9321, 13623, 35611, 36803, 59033, 106833, 110409, 177099, 462943, 676609, 1388829, 2029827, 8795917, 26387751]

約数ペア:

[(1, 26387751), (3, 8795917), (13, 2029827), (19, 1388829), (39, 676609), (57, 462943), (149, 177099), (239, 110409), (247, 106833), (447, 59033), (717, 36803), (741, 35611), (1937, 13623), (2831, 9321), (3107, 8493), (4541, 5811)]