208039585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 277482240

約数和(自身を除く): 69442655

約数列:

[1, 5, 13, 61, 65, 71, 305, 355, 739, 793, 923, 3695, 3965, 4331, 4615, 9607, 21655, 45079, 48035, 52469, 56303, 225395, 262345, 281515, 586027, 682097, 2930135, 3200609, 3410485, 16003045, 41607917, 208039585]

約数ペア:

[(1, 208039585), (5, 41607917), (13, 16003045), (61, 3410485), (65, 3200609), (71, 2930135), (305, 682097), (355, 586027), (739, 281515), (793, 262345), (923, 225395), (3695, 56303), (3965, 52469), (4331, 48035), (4615, 45079), (9607, 21655)]