2639454987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1\times {\mathrm{1049}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 3827880000

約数和(自身を除く): 1188425013

約数列:

[1, 3, 13, 39, 149, 433, 447, 1049, 1299, 1937, 3147, 5629, 5811, 13637, 16887, 40911, 64517, 156301, 193551, 454217, 468903, 838721, 1362651, 2031913, 2516163, 5904821, 6095739, 17714463, 67678333, 203034999, 879818329, 2639454987]

約数ペア:

[(1, 2639454987), (3, 879818329), (13, 203034999), (39, 67678333), (149, 17714463), (433, 6095739), (447, 5904821), (1049, 2516163), (1299, 2031913), (1937, 1362651), (3147, 838721), (5629, 468903), (5811, 454217), (13637, 193551), (16887, 156301), (40911, 64517)]