209128801

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 258912000

約数和(自身を除く): 49783199

約数列:

[1, 7, 19, 61, 133, 149, 173, 427, 1043, 1159, 1211, 2831, 3287, 8113, 9089, 10553, 19817, 23009, 25777, 63623, 73871, 172691, 180439, 200507, 489763, 1208837, 1403549, 1572397, 3428341, 11006779, 29875543, 209128801]

約数ペア:

[(1, 209128801), (7, 29875543), (19, 11006779), (61, 3428341), (133, 1572397), (149, 1403549), (173, 1208837), (427, 489763), (1043, 200507), (1159, 180439), (1211, 172691), (2831, 73871), (3287, 63623), (8113, 25777), (9089, 23009), (10553, 19817)]