208495587

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 296524800

約数和(自身を除く): 88029213

約数列:

[1, 3, 29, 53, 87, 103, 159, 309, 439, 1317, 1537, 2987, 4611, 5459, 8961, 12731, 16377, 23267, 38193, 45217, 69801, 135651, 158311, 474933, 674743, 1311293, 2024229, 2396501, 3933879, 7189503, 69498529, 208495587]

約数ペア:

[(1, 208495587), (3, 69498529), (29, 7189503), (53, 3933879), (87, 2396501), (103, 2024229), (159, 1311293), (309, 674743), (439, 474933), (1317, 158311), (1537, 135651), (2987, 69801), (4611, 45217), (5459, 38193), (8961, 23267), (12731, 16377)]