208510995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2473}}^1$

素因数の和:2572

約数の個数: 64

約数和(自身を含む): 421807104

約数和(自身を除く): 213296109

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 73, 77, 105, 165, 219, 231, 365, 385, 511, 803, 1095, 1155, 1533, 2409, 2473, 2555, 4015, 5621, 7419, 7665, 12045, 12365, 16863, 17311, 27203, 28105, 37095, 51933, 81609, 84315, 86555, 136015, 180529, 190421, 259665, 408045, 541587, 571263, 902645, 952105, 1263703, 1985819, 2707935, 2856315, 3791109, 5957457, 6318515, 9929095, 13900733, 18955545, 29787285, 41702199, 69503665, 208510995]

約数ペア:

[(1, 208510995), (3, 69503665), (5, 41702199), (7, 29787285), (11, 18955545), (15, 13900733), (21, 9929095), (33, 6318515), (35, 5957457), (55, 3791109), (73, 2856315), (77, 2707935), (105, 1985819), (165, 1263703), (219, 952105), (231, 902645), (365, 571263), (385, 541587), (511, 408045), (803, 259665), (1095, 190421), (1155, 180529), (1533, 136015), (2409, 86555), (2473, 84315), (2555, 81609), (4015, 51933), (5621, 37095), (7419, 28105), (7665, 27203), (12045, 17311), (12365, 16863)]